noaa-spaceweather-mcp-server

Previous value: -"Echo of the active_only input: true when the records are the in-force set, false when they are every product in the window. Distinguishes an empty in-force result from an empty feed window."New value: +"Echo of active_only: true for the in-force set, false for every product in the window."

Previous value: -"Matching SWPC alert/watch/warning records."New value: +"Matching SWPC products."

Previous value: -"One SWPC alert, watch, warning, or summary."New value: +"One SWPC product."

Previous value: -"True when this record cancels a previously issued product (\"CANCEL WARNING:\"/\"CANCEL WATCH:\"/\"CANCEL ALERT:\" headline) rather than being in force. Always false when active_only=true, which excludes both the cancellation record and the product it names — a cancelled product carries cancelled: false itself, so this flag does not identify one. Set active_only=false to see cancellations and what they cancelled."New value: +"True when this record cancels an earlier product; the cancelled product itself stays false. Always false under active_only=true, which drops both."

Previous value: -"ISO 8601 issue datetime."New value: +"ISO 8601 issue time."

Previous value: -"NOAA scale level 0–5, read from the scale stated in the message body. 0 means the product states no NOAA scale (e.g. a K4 warning, below the G-scale; or a radio-burst alert, outside the scales) — not a severity of zero. See noaaScale for the scale letter."New value: +"NOAA scale level 0–5 stated in the body; 0 means no scale is stated, not zero severity."

Previous value: -"Full plain-text message body."New value: +"Full plain-text message."

Previous value: -"Full SWPC \"Space Weather Message Code\" parsed from the message body, e.g. \"WARK04\", \"ALTEF3\" — the code that drives product type, phenomenon, and level."New value: +"Full message code from the body, e.g. \"WARK04\"."

Previous value: -"NOAA scale stated in the message body, e.g. \"G1\", \"R2\", \"S1\"; null when the product states none."New value: +"NOAA scale stated in the body, e.g. \"G1\"; null when none."

Previous value: -"Short phenomenon name derived from the body's NOAA scale letter, e.g. \"Geomagnetic\", \"Radio Blackout\", \"Solar Radiation\"."New value: +"Phenomenon from the scale letter, e.g. \"Geomagnetic\"."

Previous value: -"Short SWPC feed product ID, e.g. \"K04W\", \"EF3A\". See messageCode for the full code."New value: +"Short SWPC product ID, e.g. \"K04W\"."

Previous value: -"Product classification derived from the code prefix."New value: +"Product type, from the code prefix."

Previous value: -"The record's SWPC \"Serial Number:\" value, e.g. \"1125\"; null when the body carries no such line. A per-message-code counter, not a globally unique ID — it repeats across codes and within one code on a corrected reissue, so quote it together with messageCode. It is the key the \"Cancel Serial Number:\", \"Extension to Serial Number:\", and \"Continuation of Serial Number:\" lines in message point at, which is what makes those chains navigable."New value: +"SWPC serial number, e.g. \"1125\"; null when absent. Unique only within messageCode; the Cancel, Extension to, and Continuation of Serial Number lines in message point at it."

Previous value: -"Validity-window start as ISO 8601 UTC, parsed from the message body (\"Valid From\" or \"Begin Time\"); null when the product carries no start line."New value: +"ISO 8601 UTC validity start stated in the body; null when none."

Previous value: -"Validity-window end as ISO 8601 UTC. Read from the message body's \"Valid To\", \"Now Valid Until\", or \"End Time\" label when the product states one. A Watch states none, so its end is derived from the \"Highest Storm Level Predicted by Day:\" list instead: the instant the last listed UTC day forecasting a storm ends (a trailing \"None\" day is a forecast of quiet, not coverage), so a Watch listing Sep 17 as its last storm day ends at 2026-09-18T00:00:00Z. Null when nothing in the body states or implies an end — a point-in-time Alert, or a Watch forecasting no storm on any listed day."New value: +"ISO 8601 UTC validity end; for a Watch, the end of its last listed storm day. Null when nothing states or implies an end."

Previous value: -"ISO 8601 UTC instant the applied window starts at: a product issued before this is outside it. Present only under active_only=true."New value: +"ISO 8601 UTC start of the applied window. Present only under active_only=true."

Previous value: -"The max_age_hours window as applied, echoed so a caller can see what bounded the candidate set. Present only under active_only=true, where a future validity end can keep an older product in scope."New value: +"max_age_hours as applied. Present only under active_only=true."

Previous value: -"How many products active_only=true left out, by reason. Reasons overlap, so each excluded record is counted under the first that applies, in this field order — these counts plus totalCount equal the number of records the feed carried. Emitted only when something was excluded, and never under active_only=false. Use it to tell \"space weather is quiet\" from \"everything was filtered\" without a second active_only=false call."New value: +"Records active_only=true left out, each counted under its first reason in field order; with totalCount they sum to the feed total. Present only under active_only=true, when something was excluded."

Previous value: -"Issued outside the applied window with no validity end still ahead."New value: +"Issued before the window, no validity end ahead."

Previous value: -"Cancellation notices themselves."New value: +"Cancellation notices."

Previous value: -"Named by a later cancellation's \"Cancel Serial Number:\" under the same code."New value: +"Named by a later cancellation."

Previous value: -"Summaries and unrecognized products, which are never in force."New value: +"Summaries and unrecognized products."

Previous value: -"Carries the supersede line but is not the newest record that does."New value: +"Replaced by a newer superseding Watch."

Previous value: -"Validity end already passed, with nothing newer cancelling or superseding it."New value: +"Validity end already passed."

Previous value: -"ISO 8601 timestamp of when this data was fetched."New value: +"ISO 8601 fetch time."

Previous value: -"Status notice when no products were returned."New value: +"Set when no products were returned."

Previous value: -"Count of records in the alerts array."New value: +"Records in alerts."

Previous value: -"Time the aurora forecast is valid for, ISO 8601."New value: +"ISO 8601 time the forecast is valid for."

Previous value: -"Total number of grid points in the OVATION model."New value: +"OVATION grid point count."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "auroraPercent": {
-        "description": "Aurora probability at the nearest grid point (0–100%).",
-        "type": "number"
-      },
-      "darkness": {
-        "description": "Sky darkness at the requested coordinates at forecastTime, from sunElevationDeg: day at 0° and above, civil_twilight from −6° up to 0°, nautical_twilight from −12° up to −6°, dark below −12°.",
-        "enum": [
-          "day",
-          "civil_twilight",
-          "nautical_twilight",
-          "dark"
-        ],
-        "type": "string"
-      },
-      "geomagneticLatitude": {
-        "description": "Centered-dipole geomagnetic latitude the requested coordinates convert to (degrees, −90 to 90). Aurora bands are geomagnetic, so this — not the geographic latitude — is what minKpRequired and the verdict are derived from. It can differ from the geographic latitude by up to ±9.2° in either direction.",
-        "type": "number"
-      },
-      "gridLatitude": {
-        "description": "Nearest OVATION grid latitude.",
-        "type": "number"
-      },
-      "gridLongitude": {
-        "description": "Nearest OVATION grid longitude.",
-        "type": "number"
-      },
-      "horizonDistanceKm": {
-        "description": "Great-circle distance from the requested point to the cell carrying horizonMaxPercent, in km. Null when horizonMaxPercent is null.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "horizonMaxLatitude": {
-        "description": "Grid latitude of the cell carrying horizonMaxPercent (degrees); the nearest such cell when several tie. Null when horizonMaxPercent is null.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "horizonMaxPercent": {
-        "description": "Highest aurora probability (0–100%) among grid cells poleward of gridLatitude, within ±2° longitude and 1000 km of the requested point. Null when no grid cell lies in that window, which on the full grid happens only when gridLatitude is ±90.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "minGScale": {
-        "description": "NOAA G level matching minKpRequired (1–5), 0 inside the quiet-time auroral oval where no storm is needed, and null below 40° geomagnetic where no storm level reaches.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "minKpRequired": {
-        "description": "Minimum Kp for aurora at this geomagnetic latitude — the floor of the band, in SWPC thirds (4.67, 5.67, 6.67, 7.67, 9.00), or 0 inside the quiet-time auroral oval above 65°. Reported as 9 where no storm level reaches, which minGScale=null distinguishes from a genuine G5 threshold. The 60° G1 band is this server’s interpolation between the oval edge and NOAA’s G2 figure; the rest are the NOAA scales page figures.",
-        "type": "number"
-      },
-      "requestedLatitude": {
-        "description": "Geographic latitude supplied in the request (degrees, −90 to 90).",
-        "type": "number"
-      },
-      "requestedLongitude": {
-        "description": "Geographic longitude supplied in the request (degrees, −180 to 180).",
-        "type": "number"
-      },
-      "sunElevationDeg": {
-        "description": "Geometric solar elevation at the requested coordinates at forecastTime, in degrees (−90 to 90, rounded to 0.1°, no refraction correction). Negative when the sun is below the horizon.",
-        "type": "number"
-      },
-      "verdict": {
-        "description": "Plain-language visibility verdict for the requested coordinates at forecastTime, e.g. \"Good aurora chance (42%) — Kp≥6.67 (G3) needed at 51.2° geomagnetic.\" Opens \"Not visible — daylight\" when darkness is day.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "requestedLatitude",
-      "requestedLongitude",
-      "geomagneticLatitude",
-      "gridLatitude",
-      "gridLongitude",
-      "auroraPercent",
-      "minKpRequired",
-      "minGScale",
-      "sunElevationDeg",
-      "darkness",
-      "horizonMaxPercent",
-      "horizonMaxLatitude",
-      "horizonDistanceKm",
-      "verdict"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "auroraPercent": {
+        "description": "Aurora probability at the nearest grid point (0–100%).",
+        "type": "number"
+      },
+      "darkness": {
+        "description": "Sky state from sunElevationDeg: day ≥ 0°, civil_twilight ≥ −6°, nautical_twilight ≥ −12°, dark below.",
+        "enum": [
+          "day",
+          "civil_twilight",
+          "nautical_twilight",
+          "dark"
+        ],
+        "type": "string"
+      },
+      "geomagneticLatitude": {
+        "description": "Geomagnetic latitude of the request, in degrees (up to ±9.2° from geographic); minKpRequired and the verdict use it.",
+        "type": "number"
+      },
+      "gridLatitude": {
+        "description": "Nearest grid latitude, in degrees.",
+        "type": "number"
+      },
+      "gridLongitude": {
+        "description": "Nearest grid longitude, in degrees.",
+        "type": "number"
+      },
+      "horizonDistanceKm": {
+        "description": "Distance in km to the horizonMaxPercent cell; null when it is null.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "horizonMaxLatitude": {
+        "description": "Grid latitude of horizonMaxPercent, in degrees (nearest on a tie); null when it is null.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "horizonMaxPercent": {
+        "description": "Highest aurora probability (0–100%) poleward of gridLatitude within ±2° longitude and 1000 km; null when no cell qualifies (gridLatitude ±90).",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "minGScale": {
+        "description": "G level for minKpRequired (1–5); 0 inside the quiet-time oval; null below 40° geomagnetic, where no storm reaches.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "minKpRequired": {
+        "description": "Minimum Kp for aurora here: 4.67, 5.67, 6.67, 7.67, or 9; 0 inside the quiet-time oval (above 65°). Also 9 where no storm reaches (minGScale null).",
+        "type": "number"
+      },
+      "requestedLatitude": {
+        "description": "Requested geographic latitude, in degrees.",
+        "type": "number"
+      },
+      "requestedLongitude": {
+        "description": "Requested geographic longitude, in degrees.",
+        "type": "number"
+      },
+      "sunElevationDeg": {
+        "description": "Solar elevation here at forecastTime, in degrees to 0.1° (no refraction); negative below the horizon.",
+        "type": "number"
+      },
+      "verdict": {
+        "description": "Visibility verdict, e.g. \"Good aurora chance (42%) — Kp≥6.67 (G3) needed at 51.2° geomagnetic.\"; opens \"Not visible — daylight\" when darkness is day.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "requestedLatitude",
+      "requestedLongitude",
+      "geomagneticLatitude",
+      "gridLatitude",
+      "gridLongitude",
+      "auroraPercent",
+      "minKpRequired",
+      "minGScale",
+      "sunElevationDeg",
+      "darkness",
+      "horizonMaxPercent",
+      "horizonMaxLatitude",
+      "horizonDistanceKm",
+      "verdict"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Local aurora lookup result. Null when no coordinates were provided."New value: +"Coordinate lookup; null when no coordinates were given."

Previous value: -"Time of the OVATION model observation, ISO 8601."New value: +"ISO 8601 OVATION observation time."

Previous value: -"Highest aurora probability anywhere on the globe (0–100)."New value: +"Highest aurora probability on the globe (0–100%)."

Previous value: -"Approximate region of the highest aurora probability grid point."New value: +"Location of the highest grid point, e.g. \"67°N, 20°W\"; \"Unknown\" when every cell is 0%."

Previous value: -"Aurora visibility guidance for current conditions, e.g. \"Aurora possible to ~55° geomagnetic latitude\"."New value: +"Aurora guidance for currentKp, e.g. \"Aurora possible to ~55° geomagnetic latitude\"."

Previous value: -"NOAA G-scale equivalent for current Kp (0–5)."New value: +"G level (0–5) for currentKp."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "SWPC Forecast Discussion — the forecaster's narrative behind the storm scales. Null when include_discussion is false.",
-    "properties": {
-      "issued": {
-        "description": "ISO 8601 UTC time the discussion was issued, from the product's \":Issued:\" line, e.g. \"2026-06-04T12:30:00Z\". Null when the product carries no such line.",
-        "type": [
-          "string",
-          "null"
-        ]
-      },
-      "sections": {
-        "description": "One entry per topic section, in product order.",
-        "items": {
-          "additionalProperties": false,
-          "description": "One topic section of the discussion — its heading and the forecaster's text.",
-          "properties": {
-            "forecast": {
-              "description": "Forecast text for the next 3 days, or null when the section carries no \".Forecast...\" block.",
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "summary": {
-              "description": "Past-24 h summary text, or null when the section carries no \".24 hr Summary...\" text.",
-              "type": [
-                "string",
-                "null"
-              ]
-            },
-            "topic": {
-              "description": "Section heading, e.g. \"Solar Activity\", \"Energetic Particle\", \"Solar Wind\", \"Geospace\".",
-              "type": "string"
-            }
-          },
-          "required": [
-            "topic",
-            "summary",
-            "forecast"
-          ],
-          "type": "object"
-        },
-        "type": "array"
-      }
-    },
-    "required": [
-      "issued",
-      "sections"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "SWPC forecaster's narrative behind the scales.",
+    "properties": {
+      "issued": {
+        "description": "ISO 8601 UTC issue time from the \":Issued:\" line; null when absent.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "sections": {
+        "description": "Topic sections, in product order.",
+        "items": {
+          "additionalProperties": false,
+          "description": "One topic section.",
+          "properties": {
+            "forecast": {
+              "description": "Next-3-day forecast text; null when the section has none.",
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "summary": {
+              "description": "Past-24 h summary text; null when the section has none.",
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "topic": {
+              "description": "Section heading, e.g. \"Solar Activity\".",
+              "type": "string"
+            }
+          },
+          "required": [
+            "topic",
+            "summary",
+            "forecast"
+          ],
+          "type": "object"
+        },
+        "type": "array"
+      }
+    },
+    "required": [
+      "issued",
+      "sections"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"SWPC Forecast Discussion when include_discussion is true, otherwise null."New value: +"SWPC Forecast Discussion; null unless include_discussion is true."

Previous value: -"SWPC's 3-day NOAA scale forecast, oldest first. The series starts with today — the same calendar day as observedAt — and covers the next two days."New value: +"3-day scale forecast, oldest first; starts with today (the date of observedAt)."

Previous value: -"One day of the NOAA scale forecast series."New value: +"One forecast day."

Previous value: -"Geomagnetic storm scale forecast for this day."New value: +"Forecast G level."

Previous value: -"NOAA scale string, e.g. \"G2\", \"R1\", \"S0\"."New value: +"Label, e.g. \"G2\"."

Previous value: -"Storm scale level 0–5."New value: +"Level 0–5."

Previous value: -"Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0."New value: +"Descriptor, e.g. \"Moderate\"; \"none\" at level 0."

Previous value: -"Radio blackout outlook for this day."New value: +"R outlook: a level, probabilities, or neither."

Previous value: -"NOAA scale string, e.g. \"R1\", or null when no level was issued."New value: +"Label, e.g. \"R1\"; null when no level was issued."

Previous value: -"Probability (%) of an R3 or greater strong radio blackout on this day, or null when SWPC issued none."New value: +"Chance (%) of an R3+ blackout this day; null when none issued."

Previous value: -"Probability (%) of an R1–R2 minor-to-moderate radio blackout on this day, or null when SWPC issued none."New value: +"Chance (%) of an R1–R2 blackout this day; null when none issued."

Previous value: -"R-scale level 0–5, or null — SWPC forecasts a radio-blackout probability for a future day rather than a level."New value: +"R level 0–5; null when SWPC issued a probability, not a level."

Previous value: -"Human-readable R-scale descriptor, or null when no level was issued."New value: +"R descriptor; null when no level was issued."

Previous value: -"Solar radiation storm outlook for this day."New value: +"S outlook: a level, a probability, or neither."

Previous value: -"NOAA scale string, e.g. \"S1\", or null when no level was issued."New value: +"Label, e.g. \"S1\"; null when no level was issued."

Previous value: -"Probability (%) of an S1 or greater solar radiation storm on this day, or null when SWPC issued none."New value: +"Chance (%) of an S1+ radiation storm this day; null when none issued."

Previous value: -"S-scale level 0–5, or null — SWPC forecasts a radiation-storm probability for a future day rather than a level."New value: +"S level 0–5; null when SWPC issued a probability, not a level."

Previous value: -"Human-readable S-scale descriptor, or null when no level was issued."New value: +"S descriptor; null when no level was issued."

Previous value: -"Forecast date string, e.g. \"2026-06-04\"."New value: +"Forecast date, e.g. \"2026-06-04\"."

Previous value: -"ISO 8601 UTC date and time of the NOAA scales data period this snapshot reflects, e.g. \"2026-06-04T15:00:00Z\"."New value: +"ISO 8601 UTC time of the scales data period, e.g. \"2026-06-04T15:00:00Z\"."

Previous value: -"Plain-language status summary suitable for display, e.g. \"Quiet conditions\" or \"G2 moderate geomagnetic storm in progress.\""New value: +"Plain-language status, e.g. \"G2 moderate geomagnetic storm in progress.\""

Previous value: -"Current observed NOAA storm scales for today."New value: +"Observed R/S/G levels for today."

Previous value: -"Today's geomagnetic storm scale."New value: +"Today's G level."

Previous value: -"NOAA scale string, e.g. \"G2\", \"R1\", \"S0\"."New value: +"Label, e.g. \"G2\"."

Previous value: -"Storm scale level 0–5."New value: +"Level 0–5."

Previous value: -"Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0."New value: +"Descriptor, e.g. \"Moderate\"; \"none\" at level 0."

Previous value: -"Today's radio blackout scale."New value: +"Today's R level."

Previous value: -"NOAA scale string, e.g. \"G2\", \"R1\", \"S0\"."New value: +"Label, e.g. \"G2\"."

Previous value: -"Storm scale level 0–5."New value: +"Level 0–5."

Previous value: -"Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0."New value: +"Descriptor, e.g. \"Moderate\"; \"none\" at level 0."

Previous value: -"Today's solar radiation storm scale."New value: +"Today's S level."

Previous value: -"NOAA scale string, e.g. \"G2\", \"R1\", \"S0\"."New value: +"Label, e.g. \"G2\"."

Previous value: -"Storm scale level 0–5."New value: +"Level 0–5."

Previous value: -"Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0."New value: +"Descriptor, e.g. \"Moderate\"; \"none\" at level 0."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "NOAA R/S/G levels SWPC assessed for the previous UTC day. Carries a date and no time: the feed states when it was generated, not when that day was observed.",
-    "properties": {
-      "G": {
-        "additionalProperties": false,
-        "description": "Geomagnetic storm level SWPC assessed for the previous UTC day.",
-        "properties": {
-          "label": {
-            "description": "NOAA scale string, e.g. \"G2\", \"R1\", \"S0\".",
-            "type": "string"
-          },
-          "scale": {
-            "description": "Storm scale level 0–5.",
-            "type": "number"
-          },
-          "text": {
-            "description": "Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0.",
-            "type": "string"
-          }
-        },
-        "required": [
-          "scale",
-          "text",
-          "label"
-        ],
-        "type": "object"
-      },
-      "R": {
-        "additionalProperties": false,
-        "description": "Radio blackout level SWPC assessed for the previous UTC day.",
-        "properties": {
-          "label": {
-            "description": "NOAA scale string, e.g. \"G2\", \"R1\", \"S0\".",
-            "type": "string"
-          },
-          "scale": {
-            "description": "Storm scale level 0–5.",
-            "type": "number"
-          },
-          "text": {
-            "description": "Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0.",
-            "type": "string"
-          }
-        },
-        "required": [
-          "scale",
-          "text",
-          "label"
-        ],
-        "type": "object"
-      },
-      "S": {
-        "additionalProperties": false,
-        "description": "Solar radiation storm level SWPC assessed for the previous UTC day.",
-        "properties": {
-          "label": {
-            "description": "NOAA scale string, e.g. \"G2\", \"R1\", \"S0\".",
-            "type": "string"
-          },
-          "scale": {
-            "description": "Storm scale level 0–5.",
-            "type": "number"
-          },
-          "text": {
-            "description": "Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0.",
-            "type": "string"
-          }
-        },
-        "required": [
-          "scale",
-          "text",
-          "label"
-        ],
-        "type": "object"
-      },
-      "date": {
-        "description": "The previous UTC calendar day these levels were assessed for, e.g. \"2026-06-03\".",
-        "type": "string"
-      }
-    },
-    "required": [
-      "date",
-      "G",
-      "R",
-      "S"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "Levels SWPC assessed for the previous UTC day.",
+    "properties": {
+      "G": {
+        "additionalProperties": false,
+        "description": "Assessed G level.",
+        "properties": {
+          "label": {
+            "description": "Label, e.g. \"G2\".",
+            "type": "string"
+          },
+          "scale": {
+            "description": "Level 0–5.",
+            "type": "number"
+          },
+          "text": {
+            "description": "Descriptor, e.g. \"Moderate\"; \"none\" at level 0.",
+            "type": "string"
+          }
+        },
+        "required": [
+          "scale",
+          "text",
+          "label"
+        ],
+        "type": "object"
+      },
+      "R": {
+        "additionalProperties": false,
+        "description": "Assessed R level.",
+        "properties": {
+          "label": {
+            "description": "Label, e.g. \"G2\".",
+            "type": "string"
+          },
+          "scale": {
+            "description": "Level 0–5.",
+            "type": "number"
+          },
+          "text": {
+            "description": "Descriptor, e.g. \"Moderate\"; \"none\" at level 0.",
+            "type": "string"
+          }
+        },
+        "required": [
+          "scale",
+          "text",
+          "label"
+        ],
+        "type": "object"
+      },
+      "S": {
+        "additionalProperties": false,
+        "description": "Assessed S level.",
+        "properties": {
+          "label": {
+            "description": "Label, e.g. \"G2\".",
+            "type": "string"
+          },
+          "scale": {
+            "description": "Level 0–5.",
+            "type": "number"
+          },
+          "text": {
+            "description": "Descriptor, e.g. \"Moderate\"; \"none\" at level 0.",
+            "type": "string"
+          }
+        },
+        "required": [
+          "scale",
+          "text",
+          "label"
+        ],
+        "type": "object"
+      },
+      "date": {
+        "description": "Previous UTC day, e.g. \"2026-06-03\".",
+        "type": "string"
+      }
+    },
+    "required": [
+      "date",
+      "G",
+      "R",
+      "S"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"NOAA R/S/G levels SWPC assessed for the previous UTC day — answers what happened yesterday without a history call. Null when the scales feed carries no previous-day period, or carries one missing a level; null never means level 0."New value: +"R/S/G levels assessed for the previous UTC day (a date, no time). Null when the feed lacks that period or a level; null never means level 0."

Previous value: -"Aurora visibility guidance for current conditions."New value: +"Aurora guidance for currentKp."

Previous value: -"NOAA G-scale for current Kp."New value: +"G level (0–5) for currentKp."

Previous value: -"Latest observed Kp value."New value: +"Latest observed Kp; 0 when the window has none."

Previous value: -"Forward-looking Kp forecast series (estimated and predicted entries only; observed history excluded)."New value: +"Kp forecast series: estimated and predicted entries, no observed history."

Previous value: -"One forward-looking Kp forecast interval (estimated or predicted)."New value: +"One Kp forecast interval."

Previous value: -"NOAA G-scale label, e.g. \"G0\", \"G3\"."New value: +"G label, e.g. \"G3\"."

Previous value: -"NOAA G-scale equivalent (0–5) derived from Kp, on the same minus-third band floors SWPC uses — it agrees with noaaScale when the feed states one."New value: +"G level (0–5) derived from kp; matches noaaScale when stated."

Previous value: -"Forecasted Kp value."New value: +"Forecast Kp value (0–9)."

Previous value: -"NOAA scale string, e.g. \"G1\", null when not available."New value: +"NOAA scale the feed states, e.g. \"G1\"; null when none."

Previous value: -"\"estimated\" for near-real-time model points, \"predicted\" for forecast points."New value: +"\"estimated\" (near-real-time model) or \"predicted\"."

Previous value: -"ISO 8601 time tag for the forecast interval."New value: +"ISO 8601 forecast interval time tag."

Previous value: -"Observed Kp readings within the requested window, oldest first."New value: +"Observed Kp in the window, oldest first."

Previous value: -"One observed Kp 3-hour interval reading."New value: +"One observed 3-hour Kp interval."

Previous value: -"Aurora visibility guidance for this Kp level, in geomagnetic latitude."New value: +"Aurora guidance for this Kp, in geomagnetic latitude."

Previous value: -"NOAA G-scale label, e.g. \"G0\", \"G3\"."New value: +"G label, e.g. \"G3\"."

Previous value: -"NOAA G-scale equivalent (0–5). Each level starts at its \"minus\" third — G1 at Kp 4.67, G2 at 5.67, G3 at 6.67, G4 at 7.67 (through 8.67), G5 at 9."New value: +"G level (0–5) for this Kp; G1 starts at 4.67, G5 at 9."

Previous value: -"Kp index value 0–9."New value: +"Kp value (0–9)."

Previous value: -"Number of Kp observations in the observed array, matching the requested window."New value: +"Entries in observed."

Previous value: -"Currently active solar regions with same-day flare counts and next-day flare probabilities. Empty when include_regions=false or no regions are active."New value: +"Active regions; empty when include_regions=false or none are active."

Previous value: -"One active solar region: morphology, the flares SWPC attributed to it that day, and the next day's flare probabilities."New value: +"One active solar region."

Previous value: -"Sunspot area in millionths of the solar hemisphere. Null for a spotless region (plage)."New value: +"Sunspot area in millionths of the hemisphere; null for a spotless region."

Previous value: -"C-class flares SWPC attributed to this region on observedDate itself — a same-day tally updated during that day, unlike the probability fields, which cover the following day."New value: +"C-class flares SWPC credited to this region on observedDate."

Previous value: -"Probability of a C-class flare from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."New value: +"C-class flare chance (%) for the UTC day after observedDate."

Previous value: -"ISO 8601 UTC time SWPC first recorded this region, e.g. \"2026-09-21T07:29:27Z\"."New value: +"ISO 8601 UTC time SWPC first recorded this region."

Previous value: -"M-class flares SWPC attributed to this region on observedDate itself — a same-day tally updated during that day, unlike the probability fields, which cover the following day."New value: +"M-class flares SWPC credited to this region on observedDate."

Previous value: -"Probability of an M-class flare from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."New value: +"M-class flare chance (%) for the UTC day after observedDate."

Previous value: -"Magnetic field class, e.g. \"B\"; empty for a spotless region."New value: +"Magnetic class, e.g. \"B\"; empty for a spotless region."

Previous value: -"Number of sunspots in this region; 0 for a spotless region."New value: +"Sunspot count; 0 for a spotless region."

Previous value: -"UTC date this region was observed. The three flare counts cover this day; the four probability fields cover the following day, not this one."New value: +"UTC observation date: the flare counts cover it, the probabilities the next day."

Previous value: -"Probability of a proton event from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."New value: +"Proton event chance (%) for the UTC day after observedDate."

Previous value: -"Sunspot morphology class, e.g. \"Dsi\". Empty for a spotless region (plage), where magClass is empty and numberSpots is 0 too."New value: +"Sunspot class, e.g. \"Dsi\"; empty for a spotless region (plage)."

Previous value: -"X-class flares SWPC attributed to this region on observedDate itself — a same-day tally updated during that day, unlike the probability fields, which cover the following day."New value: +"X-class flares SWPC credited to this region on observedDate."

Previous value: -"Probability of an X-class flare from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."New value: +"X-class flare chance (%) for the UTC day after observedDate."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "Latest daily F10.7 index.",
-    "properties": {
-      "fluxSfu": {
-        "description": "10.7 cm solar radio flux in solar flux units (sfu), measured at 2800 MHz.",
-        "type": "number"
-      },
-      "ninetyDayMeanSfu": {
-        "description": "90-day mean flux in sfu; null when the selected record does not carry one.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "observedTime": {
-        "description": "ISO 8601 UTC time of the observation (normalized from the feed's Z-less tag). Up to ~24 h old — read it rather than treating the value as now.",
-        "type": "string"
-      },
-      "reportingSchedule": {
-        "description": "Which of the three daily Penticton reports this is: \"Morning\", \"Noon\", or \"Afternoon\".",
-        "type": "string"
-      }
-    },
-    "required": [
-      "observedTime",
-      "fluxSfu",
-      "ninetyDayMeanSfu",
-      "reportingSchedule"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "Daily F10.7 reading.",
+    "properties": {
+      "fluxSfu": {
+        "description": "10.7 cm (2800 MHz) solar radio flux, in sfu.",
+        "type": "number"
+      },
+      "ninetyDayMeanSfu": {
+        "description": "90-day mean flux in sfu; null when the record carries none.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "observedTime": {
+        "description": "ISO 8601 UTC observation time; can be ~24 h old.",
+        "type": "string"
+      },
+      "reportingSchedule": {
+        "description": "Penticton report: \"Morning\", \"Noon\", or \"Afternoon\".",
+        "type": "string"
+      }
+    },
+    "required": [
+      "observedTime",
+      "fluxSfu",
+      "ninetyDayMeanSfu",
+      "reportingSchedule"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Latest daily F10.7 solar radio flux — the Noon Penticton report, which is the value SWPC reports for the day. Null when the feed carries no such record."New value: +"Latest Noon report, SWPC's daily F10.7 value; null when the feed has none."

Previous value: -"ISO 8601 timestamp of when this data was fetched."New value: +"ISO 8601 fetch time."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One GOES integral proton flux reading with S-scale.",
-    "properties": {
-      "energy": {
-        "description": "Energy channel, e.g. \">=10 MeV\".",
-        "type": "string"
-      },
-      "fluxPfu": {
-        "description": "Integral proton flux in particle flux units (pfu) at ≥10 MeV, rounded to 3 significant figures.",
-        "type": "number"
-      },
-      "sScale": {
-        "description": "NOAA S-scale level (0–5) for this flux reading.",
-        "type": "number"
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "fluxPfu",
-      "sScale",
-      "energy"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One GOES proton flux reading.",
+    "properties": {
+      "energy": {
+        "description": "Energy channel, e.g. \">=10 MeV\".",
+        "type": "string"
+      },
+      "fluxPfu": {
+        "description": "≥10 MeV integral proton flux in pfu, to 3 significant figures.",
+        "type": "number"
+      },
+      "sScale": {
+        "description": "S level (0–5) for this flux.",
+        "type": "number"
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "fluxPfu",
+      "sScale",
+      "energy"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Most recent ≥10 MeV proton flux reading, null if unavailable."New value: +"Newest ≥10 MeV proton reading; null when the feed is empty."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One GOES X-ray flux reading with flare class.",
-    "properties": {
-      "flareClass": {
-        "description": "Flare classification letter: A, B, C, M, or X.",
-        "type": "string"
-      },
-      "flareClassFull": {
-        "description": "Flare class with magnitude, e.g. \"B2.5\" — null below the A1 floor of 1e-8 W/m² (zero and negative readings included), where SWPC's class scheme defines none.",
-        "type": [
-          "string",
-          "null"
-        ]
-      },
-      "fluxWm2": {
-        "description": "X-ray flux in W/m² (0.1-0.8nm long channel from GOES), formatted as scientific notation with 2 significant digits, e.g. \"1.4e-6 W/m²\".",
-        "type": "string"
-      },
-      "fluxWm2Value": {
-        "description": "Same quantity as fluxWm2, unformatted, so it can be compared without parsing the display string.",
-        "type": "number"
-      },
-      "satellite": {
-        "description": "GOES satellite number.",
-        "type": "number"
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "fluxWm2",
-      "fluxWm2Value",
-      "flareClass",
-      "flareClassFull",
-      "satellite"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One GOES X-ray reading.",
+    "properties": {
+      "flareClass": {
+        "description": "Flare class letter: A, B, C, M, or X.",
+        "type": "string"
+      },
+      "flareClassFull": {
+        "description": "Class with magnitude, e.g. \"B2.5\"; null below A1 (1e-8 W/m²), zero and negative readings included.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "fluxWm2": {
+        "description": "Long-channel (0.1–0.8 nm) X-ray flux for display, e.g. \"1.4e-6 W/m²\".",
+        "type": "string"
+      },
+      "fluxWm2Value": {
+        "description": "fluxWm2 as an unformatted number, in W/m².",
+        "type": "number"
+      },
+      "satellite": {
+        "description": "GOES satellite number.",
+        "type": "number"
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "fluxWm2",
+      "fluxWm2Value",
+      "flareClass",
+      "flareClassFull",
+      "satellite"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Most recent GOES X-ray flux reading, null if unavailable."New value: +"Newest X-ray reading; null when the feed is empty."

Previous value: -"Guidance when the requested flare_hours window returned no flare events — names the newest flare the feed carries, or reports that the feed itself returned none."New value: +"Set when no flare began in the flare_hours window: names the newest flare in the feed, or says the feed has none."

Previous value: -"3-day flare probability forecasts."New value: +"3-day flare probability forecast."

Previous value: -"Solar flare probability forecast for one day."New value: +"Flare probabilities for one day."

Previous value: -"Total probability of a C-class flare for this date (%)."New value: +"Deprecated: use cClassProbability (same value)."

Previous value: -"Total probability of a C-class flare for this date (%). Date-neutral alias of cClass1Day."New value: +"C-class flare chance (%) for this date."

Previous value: -"Total probability of an M-class flare for this date (%)."New value: +"Deprecated: use mClassProbability (same value)."

Previous value: -"Total probability of an M-class flare for this date (%). Date-neutral alias of mClass1Day."New value: +"M-class flare chance (%) for this date."

Previous value: -"Probability of a ≥10 MeV proton event for this date (%). Date-neutral alias of protons1Day."New value: +"≥10 MeV proton event chance (%) for this date."

Previous value: -"Probability of a ≥10 MeV proton event for this date (%)."New value: +"Deprecated: use protonEventProbability (same value)."

Previous value: -"Total probability of an X-class flare for this date (%)."New value: +"Deprecated: use xClassProbability (same value)."

Previous value: -"Total probability of an X-class flare for this date (%). Date-neutral alias of xClass1Day."New value: +"X-class flare chance (%) for this date."

Previous value: -"Discrete flare events whose onset falls within the flare_hours window, oldest first. Empty when no flare began in the window."New value: +"Flares with onset inside flare_hours, oldest first; empty when none began."

Previous value: -"One discrete GOES X-ray flare event."New value: +"One GOES X-ray flare event."

Previous value: -"GOES class with magnitude at onset, e.g. \"B4.2\"."New value: +"Class at onset, e.g. \"B4.2\"."

Previous value: -"ISO 8601 UTC onset time (SWPC begin_time)."New value: +"ISO 8601 UTC onset time."

Previous value: -"GOES class with magnitude at decay; null while the flare is still in progress."New value: +"Class at decay; null while in progress."

Previous value: -"ISO 8601 UTC decay time; null while the flare is still in progress."New value: +"ISO 8601 UTC decay time; null while in progress."

Previous value: -"Peak GOES class with magnitude, e.g. \"M5.2\" — SWPC max_class, read as published."New value: +"Peak class as SWPC publishes it, e.g. \"M5.2\"."

Previous value: -"ISO 8601 UTC time of peak flux (SWPC max_time)."New value: +"ISO 8601 UTC peak time."

Previous value: -"Peak long-channel (0.1–0.8 nm) flux in W/m² — SWPC max_xrlong."New value: +"Peak long-channel (0.1–0.8 nm) flux, in W/m²."

Previous value: -"NOAA R-scale level implied by the peak flux (0–5); 0 means below the R1 threshold."New value: +"R level (0–5) the peak flux implies; 0 is below R1."

Previous value: -"GOES satellite number the record came from."New value: +"GOES satellite number."

Previous value: -"GOES X-ray flux readings from the past hour, oldest first."New value: +"X-ray readings from the past hour, oldest first."

Previous value: -"One GOES X-ray flux reading with flare class."New value: +"One GOES X-ray reading."

Previous value: -"Flare classification letter: A, B, C, M, or X."New value: +"Flare class letter: A, B, C, M, or X."

Previous value: -"Flare class with magnitude, e.g. \"B2.5\" — null below the A1 floor of 1e-8 W/m² (zero and negative readings included), where SWPC's class scheme defines none."New value: +"Class with magnitude, e.g. \"B2.5\"; null below A1 (1e-8 W/m²), zero and negative readings included."

Previous value: -"X-ray flux in W/m² (0.1-0.8nm long channel from GOES), formatted as scientific notation with 2 significant digits, e.g. \"1.4e-6 W/m²\"."New value: +"Long-channel (0.1–0.8 nm) X-ray flux for display, e.g. \"1.4e-6 W/m²\"."

Previous value: -"Same quantity as fluxWm2, unformatted, so it can be compared without parsing the display string."New value: +"fluxWm2 as an unformatted number, in W/m²."

Previous value: -"ISO 8601 measurement time tag."New value: +"ISO 8601 measurement time."

Previous value: -"Current NOAA S-scale for solar radiation storms (0–5), derived from latest proton flux."New value: +"Current S level (0–5) from latestProton; 0 without a reading."

Previous value: -"Plain-language S-scale description, e.g. \"S2 moderate radiation storm\"."New value: +"S level descriptor, e.g. \"S2 moderate radiation storm\"."

Previous value: -"Highest total field magnitude Bt in nT across the whole window, computed before any reduction. Null when the window is empty or every bt in it is null."New value: +"Peak Bt in nT across the whole window; null when it has no Bt."

Previous value: -"Lowest (most southward) Bz reading in nT across the whole window, computed before any reduction — the number storm work reads next to the latest value. Null when the window is empty or every bzGsm in it is null."New value: +"Most southward Bz in nT across the whole window; null when it has no Bz."

Previous value: -"ISO 8601 time tag of the record that carried bzMinInWindow. Null whenever bzMinInWindow is null."New value: +"ISO 8601 time of bzMinInWindow; null when it is null."

Previous value: -"Minutes of southward Bz in the window: the count of 1-minute mag records with bzGsm below 0, across the whole window before any reduction. Gaps in the feed are not counted, so it can fall short of the wall-clock time Bz spent southward. 0 on an empty window, an all-null window, or one with no southward Bz."New value: +"Minutes of Bz < 0: 1-minute mag records across the whole window. Feed gaps are not counted. 0 when none."

Previous value: -"Plain-language Bz status, e.g. \"Southward Bz −14 nT — storm-driving conditions\" or \"Northward Bz +5 nT — quiescent\"."New value: +"Bz status from latestMag, e.g. \"Southward Bz -14 nT — storm-driving conditions.\"; \"Bz data unavailable.\" without a reading."

Previous value: -"Highest proton density in particles/cm³ across the whole window, computed before any reduction. Null when the window is empty or every densityPerCm3 in it is null."New value: +"Peak proton density in particles/cm³ across the whole window; null when none."

Previous value: -"Hours between now and the newest record across both feeds — how far behind real time the upstream data is. Null when both feeds returned no active-spacecraft records."New value: +"Hours from the newest record in either feed to now; null when both are empty."

Previous value: -"ISO 8601 time of the newest magnetic field record the feed carries, ignoring the window. Null when the feed returned no active-spacecraft mag records."New value: +"ISO 8601 time of the newest mag record in the feed, window aside; null when none."

Previous value: -"ISO 8601 time of the newest plasma record the feed carries, ignoring the window. Null when the feed returned no active-spacecraft plasma records. Compare against the window to tell a quiet feed from a stale one."New value: +"ISO 8601 time of the newest plasma record in the feed, window aside; null when none."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One magnetic field measurement from the active L1 spacecraft.",
-    "properties": {
-      "bt": {
-        "description": "Total field magnitude Bt (nT). Null when the feed omits the value.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "bxGsm": {
-        "description": "Bx component in GSM coordinates (nT). Null when the feed omits the value.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "byGsm": {
-        "description": "By component in GSM coordinates (nT). Null when the feed omits the value.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "bzGsm": {
-        "description": "Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when the feed omits the value.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "source": {
-        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
-        "type": "string"
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "source",
-      "bxGsm",
-      "byGsm",
-      "bzGsm",
-      "bt"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One L1 magnetic field record.",
+    "properties": {
+      "bt": {
+        "description": "Total field Bt in nT; null when missing.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "bxGsm": {
+        "description": "Bx, GSM, in nT; null when missing.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "byGsm": {
+        "description": "By, GSM, in nT; null when missing.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "bzGsm": {
+        "description": "Bz, GSM, in nT; negative (southward) drives storms; null when missing.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "source": {
+        "description": "Reporting spacecraft, e.g. \"SOLAR1\".",
+        "type": "string"
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "source",
+      "bxGsm",
+      "byGsm",
+      "bzGsm",
+      "bt"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Most recent magnetic field reading, null if no data in window."New value: +"Newest mag record in the window; null when the window has none."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One plasma measurement from the active L1 spacecraft.",
-    "properties": {
-      "densityPerCm3": {
-        "description": "Proton density in particles/cm³. Null when the feed omits the value.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "source": {
-        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
-        "type": "string"
-      },
-      "speedKmS": {
-        "description": "Solar wind speed in km/s. Null when the feed omits the value.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "temperatureK": {
-        "description": "Proton temperature in Kelvin. Null when the feed omits the value.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "source",
-      "densityPerCm3",
-      "speedKmS",
-      "temperatureK"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One L1 plasma record.",
+    "properties": {
+      "densityPerCm3": {
+        "description": "Proton density in particles/cm³; null when missing.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "source": {
+        "description": "Reporting spacecraft, e.g. \"SOLAR1\".",
+        "type": "string"
+      },
+      "speedKmS": {
+        "description": "Solar wind speed in km/s; null when missing.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "temperatureK": {
+        "description": "Proton temperature in K; null when missing.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "source",
+      "densityPerCm3",
+      "speedKmS",
+      "temperatureK"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Most recent plasma reading, null if no data in window."New value: +"Newest plasma record in the window; null when the window has none."

Previous value: -"Magnetic field measurements (Bx, By, Bz, Bt) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's most southward Bz — with the newest windowed record last, so the final element always equals latestMag. Empty under resolution=\"summary\"."New value: +"Mag records in the window, oldest first. \"reduced\": at most 200, each its bucket's most southward Bz; the last equals latestMag. Empty under \"summary\"."

Previous value: -"One magnetic field measurement from the active L1 spacecraft."New value: +"One L1 magnetic field record."

Previous value: -"Total field magnitude Bt (nT). Null when the feed omits the value."New value: +"Total field Bt in nT; null when missing."

Previous value: -"Bx component in GSM coordinates (nT). Null when the feed omits the value."New value: +"Bx, GSM, in nT; null when missing."

Previous value: -"By component in GSM coordinates (nT). Null when the feed omits the value."New value: +"By, GSM, in nT; null when missing."

Previous value: -"Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when the feed omits the value."New value: +"Bz, GSM, in nT; negative (southward) drives storms; null when missing."

Previous value: -"Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\"."New value: +"Reporting spacecraft, e.g. \"SOLAR1\"."

Previous value: -"ISO 8601 measurement time tag."New value: +"ISO 8601 measurement time."

Previous value: -"Magnetic field records per emitted record — the bucket size the window was reduced by, or 1 when this series was returned untouched. The two series differ in length, so each carries its own factor. Present only when a reduction was applied to either series."New value: +"Mag records per emitted record, 1 if untouched. Present only after a reduction."

Previous value: -"Number of magnetic field records in the mag array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and magWindowRecords carries the pre-reduction total. Under resolution=\"summary\" the array is empty and this is the records the window held."New value: +"Records in mag (magWindowRecords has the pre-reduction total); under \"summary\", the records the window held."

Previous value: -"Magnetic field records the window held before reduction. Present only when a reduction was applied to either series, or under resolution=\"summary\"."New value: +"Mag records in the window before reduction. Present after a reduction or under \"summary\"."

Previous value: -"Guidance on what shaped this response: that the requested window returned no plasma or magnetic field records — naming the newest record the feed carries, or reporting that the feed itself returned nothing from an active spacecraft — that a series was bounded to 200 records, with the per-series factors, or that resolution=\"summary\" omitted both series."New value: +"What shaped the response: an empty window (with the newest feed record), series bounded to 200 records, or series omitted under \"summary\"."

Previous value: -"Plasma measurements (speed, density, temperature) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's fastest speed — with the newest windowed record last. Empty under resolution=\"summary\"."New value: +"Plasma records in the window, oldest first. \"reduced\": at most 200, each its bucket's fastest speed, newest last. Empty under \"summary\"."

Previous value: -"One plasma measurement from the active L1 spacecraft."New value: +"One L1 plasma record."

Previous value: -"Proton density in particles/cm³. Null when the feed omits the value."New value: +"Proton density in particles/cm³; null when missing."

Previous value: -"Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\"."New value: +"Reporting spacecraft, e.g. \"SOLAR1\"."

Previous value: -"Solar wind speed in km/s. Null when the feed omits the value."New value: +"Solar wind speed in km/s; null when missing."

Previous value: -"Proton temperature in Kelvin. Null when the feed omits the value."New value: +"Proton temperature in K; null when missing."

Previous value: -"ISO 8601 measurement time tag."New value: +"ISO 8601 measurement time."

Previous value: -"Plasma records per emitted record — the bucket size the window was reduced by, or 1 when this series was returned untouched. Records rather than a minute cadence: the feed skips minutes, so a bucket spans a variable stretch of wall-clock time. Present only when a reduction was applied to either series."New value: +"Plasma records per emitted record, 1 if untouched. Present only after a reduction."

Previous value: -"Number of plasma records in the plasma array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and plasmaWindowRecords carries the pre-reduction total. Under resolution=\"summary\" the array is empty and this is the records the window held."New value: +"Records in plasma (plasmaWindowRecords has the pre-reduction total); under \"summary\", the records the window held."

Previous value: -"Plasma records the window held before reduction. Present only when a reduction was applied to either series, or under resolution=\"summary\"."New value: +"Plasma records in the window before reduction. Present after a reduction or under \"summary\"."

Previous value: -"Highest solar wind speed in km/s across the whole window, computed before any reduction. Null when the window is empty or every speedKmS in it is null."New value: +"Peak speed in km/s across the whole window; null when it has no speed."

Previous value: -"ISO 8601 time tag of the record that carried speedMaxInWindow. Null whenever speedMaxInWindow is null."New value: +"ISO 8601 time of speedMaxInWindow; null when it is null."

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried for up to 45 seconds in total before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or a coordinate lookup finds no parseable Forecast Time in the feed. Fails in one attempt. `invalid_coordinates`: One coordinate provided without the other. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried for up to 45 seconds in total before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or a coordinate lookup finds no parseable Forecast Time in the feed. Fails in one attempt. `invalid_coordinates`: One coordinate provided without the other. Other values are possible when a failure originates below the handler."

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "observedAt",
-      "currentKp",
-      "currentGScale",
-      "auroraLatitude",
-      "today",
-      "forecast",
-      "summary",
-      "discussion"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "observedAt",
+      "currentKp",
+      "currentGScale",
+      "auroraLatitude",
+      "yesterday",
+      "today",
+      "forecast",
+      "summary",
+      "discussion"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or a feed answers without the shape it is documented to have — the scales feed no longer carrying its \"0\" (today) period, or the forecast discussion carrying no topic section. Fails in one attempt. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried for up to 45 seconds in total before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or a feed answers without the shape it is documented to have — the scales feed no longer carrying its \"0\" (today) period, or the forecast discussion carrying no topic section. Fails in one attempt. Other values are possible when a failure originates below the handler."

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "description": "NOAA R/S/G levels SWPC assessed for the previous UTC day. Carries a date and no time: the feed states when it was generated, not when that day was observed.",
+      "properties": {
+        "G": {
+          "additionalProperties": false,
+          "description": "Geomagnetic storm level SWPC assessed for the previous UTC day.",
+          "properties": {
+            "label": {
+              "description": "NOAA scale string, e.g. \"G2\", \"R1\", \"S0\".",
+              "type": "string"
+            },
+            "scale": {
+              "description": "Storm scale level 0–5.",
+              "type": "number"
+            },
+            "text": {
+              "description": "Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0.",
+              "type": "string"
+            }
+          },
+          "required": [
+            "scale",
+            "text",
+            "label"
+          ],
+          "type": "object"
+        },
+        "R": {
+          "additionalProperties": false,
+          "description": "Radio blackout level SWPC assessed for the previous UTC day.",
+          "properties": {
+            "label": {
+              "description": "NOAA scale string, e.g. \"G2\", \"R1\", \"S0\".",
+              "type": "string"
+            },
+            "scale": {
+              "description": "Storm scale level 0–5.",
+              "type": "number"
+            },
+            "text": {
+              "description": "Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0.",
+              "type": "string"
+            }
+          },
+          "required": [
+            "scale",
+            "text",
+            "label"
+          ],
+          "type": "object"
+        },
+        "S": {
+          "additionalProperties": false,
+          "description": "Solar radiation storm level SWPC assessed for the previous UTC day.",
+          "properties": {
+            "label": {
+              "description": "NOAA scale string, e.g. \"G2\", \"R1\", \"S0\".",
+              "type": "string"
+            },
+            "scale": {
+              "description": "Storm scale level 0–5.",
+              "type": "number"
+            },
+            "text": {
+              "description": "Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0.",
+              "type": "string"
+            }
+          },
+          "required": [
+            "scale",
+            "text",
+            "label"
+          ],
+          "type": "object"
+        },
+        "date": {
+          "description": "The previous UTC calendar day these levels were assessed for, e.g. \"2026-06-03\".",
+          "type": "string"
+        }
+      },
+      "required": [
+        "date",
+        "G",
+        "R",
+        "S"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "NOAA R/S/G levels SWPC assessed for the previous UTC day — answers what happened yesterday without a history call. Null when the scales feed carries no previous-day period, or carries one missing a level; null never means level 0."
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried for up to 45 seconds in total before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -"Currently active solar regions with per-region flare probabilities. Empty when include_regions=false or no regions are active."New value: +"Currently active solar regions with same-day flare counts and next-day flare probabilities. Empty when include_regions=false or no regions are active."

Previous value: -"One active solar region with flare probabilities."New value: +"One active solar region: morphology, the flares SWPC attributed to it that day, and the next day's flare probabilities."

Added value: +{
+  "description": "Sunspot area in millionths of the solar hemisphere. Null for a spotless region (plage).",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Added value: +{
+  "description": "C-class flares SWPC attributed to this region on observedDate itself — a same-day tally updated during that day, unlike the probability fields, which cover the following day.",
+  "type": "number"
+}

Added value: +{
+  "description": "ISO 8601 UTC time SWPC first recorded this region, e.g. \"2026-09-21T07:29:27Z\".",
+  "type": "string"
+}

Added value: +{
+  "description": "M-class flares SWPC attributed to this region on observedDate itself — a same-day tally updated during that day, unlike the probability fields, which cover the following day.",
+  "type": "number"
+}

Previous value: -"Magnetic field class."New value: +"Magnetic field class, e.g. \"B\"; empty for a spotless region."

Previous value: -"Number of sunspots in this region."New value: +"Number of sunspots in this region; 0 for a spotless region."

Previous value: -"UTC date this region was observed. The four probability fields on this record cover the following day, not this one."New value: +"UTC date this region was observed. The three flare counts cover this day; the four probability fields cover the following day, not this one."

Previous value: -"Sunspot morphology class."New value: +"Sunspot morphology class, e.g. \"Dsi\". Empty for a spotless region (plage), where magClass is empty and numberSpots is 0 too."

Added value: +{
+  "description": "X-class flares SWPC attributed to this region on observedDate itself — a same-day tally updated during that day, unlike the probability fields, which cover the following day.",
+  "type": "number"
+}

Previous value: -[
-  "region",
-  "location",
-  "latitude",
-  "spotClass",
-  "numberSpots",
-  "magClass",
-  "cFlareProbability",
-  "mFlareProbability",
-  "xFlareProbability",
-  "protonProbability",
-  "observedDate"
-]New value: +[
+  "region",
+  "location",
+  "latitude",
+  "spotClass",
+  "numberSpots",
+  "magClass",
+  "areaMillionths",
+  "firstObserved",
+  "cFlareCount",
+  "mFlareCount",
+  "xFlareCount",
+  "cFlareProbability",
+  "mFlareProbability",
+  "xFlareProbability",
+  "protonProbability",
+  "observedDate"
+]

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried for up to 45 seconds in total before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -"Detail level of the returned plasma and mag series. \"reduced\" (default) bounds each series to at most 200 records: the window is bucketed by record count and one real measurement is emitted per bucket — the bucket's fastest speed for plasma, its most southward Bz for mag — with the newest record in the window always last. A series already inside the bound is returned untouched, so a default 3-hour call is unaffected. \"full\" returns every record in the window (~1,400 per series over 24 hours, a ~540 KB response). bzStatus, bzMinInWindow, latestPlasma, and latestMag are computed from the full window either way."New value: +"Detail level of the returned plasma and mag series. \"summary\" returns both series empty and keeps every headline field — about 2 KB whatever the window. \"reduced\" (default) bounds each series to at most 200 records: the window is bucketed by record count and one real measurement is emitted per bucket — the bucket's fastest speed for plasma, its most southward Bz for mag — with the newest record in the window always last. A series already inside the bound is returned untouched, so a default 3-hour call is unaffected. \"full\" returns every record in the window (~1,400 per series over 24 hours, a ~540 KB response). The headline fields — latestPlasma, latestMag, bzStatus, bzMinInWindow, and the window maxima and southward-Bz minutes — are computed from the full window at every resolution."

Previous value: -[
-  "reduced",
-  "full"
-]New value: +[
+  "summary",
+  "reduced",
+  "full"
+]

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "plasma",
-      "mag",
-      "latestPlasma",
-      "latestMag",
-      "bzStatus",
-      "plasmaCount",
-      "magCount",
-      "bzMinInWindow",
-      "bzMinTimeTag",
-      "latestFeedPlasmaTime",
-      "latestFeedMagTime",
-      "feedStalenessHours"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "plasma",
+      "mag",
+      "latestPlasma",
+      "latestMag",
+      "bzStatus",
+      "plasmaCount",
+      "magCount",
+      "bzMinInWindow",
+      "bzMinTimeTag",
+      "bzSouthMinutesInWindow",
+      "speedMaxInWindow",
+      "speedMaxTimeTag",
+      "densityMaxInWindow",
+      "btMaxInWindow",
+      "latestFeedPlasmaTime",
+      "latestFeedMagTime",
+      "feedStalenessHours"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "description": "Highest total field magnitude Bt in nT across the whole window, computed before any reduction. Null when the window is empty or every bt in it is null.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Added value: +{
+  "description": "Minutes of southward Bz in the window: the count of 1-minute mag records with bzGsm below 0, across the whole window before any reduction. Gaps in the feed are not counted, so it can fall short of the wall-clock time Bz spent southward. 0 on an empty window, an all-null window, or one with no southward Bz.",
+  "type": "number"
+}

Added value: +{
+  "description": "Highest proton density in particles/cm³ across the whole window, computed before any reduction. Null when the window is empty or every densityPerCm3 in it is null.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried for up to 45 seconds in total before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -"Magnetic field measurements (Bx, By, Bz, Bt) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's most southward Bz — with the newest windowed record last, so the final element always equals latestMag."New value: +"Magnetic field measurements (Bx, By, Bz, Bt) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's most southward Bz — with the newest windowed record last, so the final element always equals latestMag. Empty under resolution=\"summary\"."

Previous value: -"Number of magnetic field records in the mag array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and magWindowRecords carries the pre-reduction total."New value: +"Number of magnetic field records in the mag array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and magWindowRecords carries the pre-reduction total. Under resolution=\"summary\" the array is empty and this is the records the window held."

Previous value: -"Magnetic field records the window held before reduction. Present only when a reduction was applied to either series."New value: +"Magnetic field records the window held before reduction. Present only when a reduction was applied to either series, or under resolution=\"summary\"."

Previous value: -"Guidance on what shaped this response: that the requested window returned no plasma or magnetic field records — naming the newest record the feed carries, or reporting that the feed itself returned nothing from an active spacecraft — and that a series was bounded to 200 records, with the per-series factors."New value: +"Guidance on what shaped this response: that the requested window returned no plasma or magnetic field records — naming the newest record the feed carries, or reporting that the feed itself returned nothing from an active spacecraft — that a series was bounded to 200 records, with the per-series factors, or that resolution=\"summary\" omitted both series."

Previous value: -"Plasma measurements (speed, density, temperature) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's fastest speed — with the newest windowed record last."New value: +"Plasma measurements (speed, density, temperature) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's fastest speed — with the newest windowed record last. Empty under resolution=\"summary\"."

Previous value: -"Number of plasma records in the plasma array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and plasmaWindowRecords carries the pre-reduction total."New value: +"Number of plasma records in the plasma array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and plasmaWindowRecords carries the pre-reduction total. Under resolution=\"summary\" the array is empty and this is the records the window held."

Previous value: -"Plasma records the window held before reduction. Present only when a reduction was applied to either series."New value: +"Plasma records the window held before reduction. Present only when a reduction was applied to either series, or under resolution=\"summary\"."

Added value: +{
+  "description": "Highest solar wind speed in km/s across the whole window, computed before any reduction. Null when the window is empty or every speedKmS in it is null.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Added value: +{
+  "description": "ISO 8601 time tag of the record that carried speedMaxInWindow. Null whenever speedMaxInWindow is null.",
+  "type": [
+    "string",
+    "null"
+  ]
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. `invalid_coordinates`: One coordinate provided without the other. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or a coordinate lookup finds no parseable Forecast Time in the feed. Fails in one attempt. `invalid_coordinates`: One coordinate provided without the other. Other values are possible when a failure originates below the handler."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "auroraPercent": {
-        "description": "Aurora probability at the nearest grid point (0–100%).",
-        "type": "number"
-      },
-      "geomagneticLatitude": {
-        "description": "Centered-dipole geomagnetic latitude the requested coordinates convert to (degrees, −90 to 90). Aurora bands are geomagnetic, so this — not the geographic latitude — is what minKpRequired and the verdict are derived from. It can differ from the geographic latitude by up to ±9.2° in either direction.",
-        "type": "number"
-      },
-      "gridLatitude": {
-        "description": "Nearest OVATION grid latitude.",
-        "type": "number"
-      },
-      "gridLongitude": {
-        "description": "Nearest OVATION grid longitude.",
-        "type": "number"
-      },
-      "minGScale": {
-        "description": "NOAA G level matching minKpRequired (1–5), 0 inside the quiet-time auroral oval where no storm is needed, and null below 40° geomagnetic where no storm level reaches.",
-        "type": [
-          "number",
-          "null"
-        ]
-      },
-      "minKpRequired": {
-        "description": "Minimum Kp for aurora at this geomagnetic latitude — the floor of the band, in SWPC thirds (4.67, 5.67, 6.67, 7.67, 9.00), or 0 inside the quiet-time auroral oval above 65°. Reported as 9 where no storm level reaches, which minGScale=null distinguishes from a genuine G5 threshold. The 60° G1 band is this server’s interpolation between the oval edge and NOAA’s G2 figure; the rest are the NOAA scales page figures.",
-        "type": "number"
-      },
-      "requestedLatitude": {
-        "description": "Geographic latitude supplied in the request (degrees, −90 to 90).",
-        "type": "number"
-      },
-      "requestedLongitude": {
-        "description": "Geographic longitude supplied in the request (degrees, −180 to 180).",
-        "type": "number"
-      },
-      "verdict": {
-        "description": "Plain-language visibility verdict at this geomagnetic latitude, e.g. \"Good aurora chance (42%) — Kp≥6.67 (G3) needed at 51.2° geomagnetic latitude.\"",
-        "type": "string"
-      }
-    },
-    "required": [
-      "requestedLatitude",
-      "requestedLongitude",
-      "geomagneticLatitude",
-      "gridLatitude",
-      "gridLongitude",
-      "auroraPercent",
-      "minKpRequired",
-      "minGScale",
-      "verdict"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "auroraPercent": {
+        "description": "Aurora probability at the nearest grid point (0–100%).",
+        "type": "number"
+      },
+      "darkness": {
+        "description": "Sky darkness at the requested coordinates at forecastTime, from sunElevationDeg: day at 0° and above, civil_twilight from −6° up to 0°, nautical_twilight from −12° up to −6°, dark below −12°.",
+        "enum": [
+          "day",
+          "civil_twilight",
+          "nautical_twilight",
+          "dark"
+        ],
+        "type": "string"
+      },
+      "geomagneticLatitude": {
+        "description": "Centered-dipole geomagnetic latitude the requested coordinates convert to (degrees, −90 to 90). Aurora bands are geomagnetic, so this — not the geographic latitude — is what minKpRequired and the verdict are derived from. It can differ from the geographic latitude by up to ±9.2° in either direction.",
+        "type": "number"
+      },
+      "gridLatitude": {
+        "description": "Nearest OVATION grid latitude.",
+        "type": "number"
+      },
+      "gridLongitude": {
+        "description": "Nearest OVATION grid longitude.",
+        "type": "number"
+      },
+      "horizonDistanceKm": {
+        "description": "Great-circle distance from the requested point to the cell carrying horizonMaxPercent, in km. Null when horizonMaxPercent is null.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "horizonMaxLatitude": {
+        "description": "Grid latitude of the cell carrying horizonMaxPercent (degrees); the nearest such cell when several tie. Null when horizonMaxPercent is null.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "horizonMaxPercent": {
+        "description": "Highest aurora probability (0–100%) among grid cells poleward of gridLatitude, within ±2° longitude and 1000 km of the requested point. Null when no grid cell lies in that window, which on the full grid happens only when gridLatitude is ±90.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "minGScale": {
+        "description": "NOAA G level matching minKpRequired (1–5), 0 inside the quiet-time auroral oval where no storm is needed, and null below 40° geomagnetic where no storm level reaches.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "minKpRequired": {
+        "description": "Minimum Kp for aurora at this geomagnetic latitude — the floor of the band, in SWPC thirds (4.67, 5.67, 6.67, 7.67, 9.00), or 0 inside the quiet-time auroral oval above 65°. Reported as 9 where no storm level reaches, which minGScale=null distinguishes from a genuine G5 threshold. The 60° G1 band is this server’s interpolation between the oval edge and NOAA’s G2 figure; the rest are the NOAA scales page figures.",
+        "type": "number"
+      },
+      "requestedLatitude": {
+        "description": "Geographic latitude supplied in the request (degrees, −90 to 90).",
+        "type": "number"
+      },
+      "requestedLongitude": {
+        "description": "Geographic longitude supplied in the request (degrees, −180 to 180).",
+        "type": "number"
+      },
+      "sunElevationDeg": {
+        "description": "Geometric solar elevation at the requested coordinates at forecastTime, in degrees (−90 to 90, rounded to 0.1°, no refraction correction). Negative when the sun is below the horizon.",
+        "type": "number"
+      },
+      "verdict": {
+        "description": "Plain-language visibility verdict for the requested coordinates at forecastTime, e.g. \"Good aurora chance (42%) — Kp≥6.67 (G3) needed at 51.2° geomagnetic.\" Opens \"Not visible — daylight\" when darkness is day.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "requestedLatitude",
+      "requestedLongitude",
+      "geomagneticLatitude",
+      "gridLatitude",
+      "gridLongitude",
+      "auroraPercent",
+      "minKpRequired",
+      "minGScale",
+      "sunElevationDeg",
+      "darkness",
+      "horizonMaxPercent",
+      "horizonMaxLatitude",
+      "horizonDistanceKm",
+      "verdict"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Added value: +{
+  "default": false,
+  "description": "Also fetch SWPC's forecaster-written Forecast Discussion, which explains why the forecast looks the way it does (CME versus coronal-hole stream, expected arrival). Costs one extra upstream request.",
+  "type": "boolean"
+}

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "observedAt",
-      "currentKp",
-      "currentGScale",
-      "auroraLatitude",
-      "today",
-      "forecast",
-      "summary"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "observedAt",
+      "currentKp",
+      "currentGScale",
+      "auroraLatitude",
+      "today",
+      "forecast",
+      "summary",
+      "discussion"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "description": "SWPC Forecast Discussion — the forecaster's narrative behind the storm scales. Null when include_discussion is false.",
+      "properties": {
+        "issued": {
+          "description": "ISO 8601 UTC time the discussion was issued, from the product's \":Issued:\" line, e.g. \"2026-06-04T12:30:00Z\". Null when the product carries no such line.",
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "sections": {
+          "description": "One entry per topic section, in product order.",
+          "items": {
+            "additionalProperties": false,
+            "description": "One topic section of the discussion — its heading and the forecaster's text.",
+            "properties": {
+              "forecast": {
+                "description": "Forecast text for the next 3 days, or null when the section carries no \".Forecast...\" block.",
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "summary": {
+                "description": "Past-24 h summary text, or null when the section carries no \".24 hr Summary...\" text.",
+                "type": [
+                  "string",
+                  "null"
+                ]
+              },
+              "topic": {
+                "description": "Section heading, e.g. \"Solar Activity\", \"Energetic Particle\", \"Solar Wind\", \"Geospace\".",
+                "type": "string"
+              }
+            },
+            "required": [
+              "topic",
+              "summary",
+              "forecast"
+            ],
+            "type": "object"
+          },
+          "type": "array"
+        }
+      },
+      "required": [
+        "issued",
+        "sections"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "SWPC Forecast Discussion when include_discussion is true, otherwise null."
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or the scales feed no longer carries its \"0\" (today) period. Fails in one attempt. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or a feed answers without the shape it is documented to have — the scales feed no longer carrying its \"0\" (today) period, or the forecast discussion carrying no topic section. Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -"3-day NOAA scale forecast (next 1–3 days)."New value: +"SWPC's 3-day NOAA scale forecast, oldest first. The series starts with today — the same calendar day as observedAt — and covers the next two days."

Previous value: -"3-day NOAA scale forecast for one calendar day."New value: +"One day of the NOAA scale forecast series."

Previous value: -"Geomagnetic storm scale for this day."New value: +"Geomagnetic storm scale forecast for this day."

Previous value: -"Radio blackout scale for this day."New value: +"Radio blackout outlook for this day."

Previous value: -"NOAA scale string, e.g. \"G2\", \"R1\", \"S0\"."New value: +"NOAA scale string, e.g. \"R1\", or null when no level was issued."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Added value: +{
+  "description": "Probability (%) of an R3 or greater strong radio blackout on this day, or null when SWPC issued none.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Added value: +{
+  "description": "Probability (%) of an R1–R2 minor-to-moderate radio blackout on this day, or null when SWPC issued none.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Previous value: -"Storm scale level 0–5."New value: +"R-scale level 0–5, or null — SWPC forecasts a radio-blackout probability for a future day rather than a level."

Previous value: -"number"New value: +[
+  "number",
+  "null"
+]

Previous value: -"Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0."New value: +"Human-readable R-scale descriptor, or null when no level was issued."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Previous value: -[
-  "scale",
-  "text",
-  "label"
-]New value: +[
+  "scale",
+  "text",
+  "label",
+  "minorProbPercent",
+  "majorProbPercent"
+]

Previous value: -"Solar radiation storm scale for this day."New value: +"Solar radiation storm outlook for this day."

Previous value: -"NOAA scale string, e.g. \"G2\", \"R1\", \"S0\"."New value: +"NOAA scale string, e.g. \"S1\", or null when no level was issued."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Added value: +{
+  "description": "Probability (%) of an S1 or greater solar radiation storm on this day, or null when SWPC issued none.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Previous value: -"Storm scale level 0–5."New value: +"S-scale level 0–5, or null — SWPC forecasts a radiation-storm probability for a future day rather than a level."

Previous value: -"number"New value: +[
+  "number",
+  "null"
+]

Previous value: -"Human-readable scale descriptor, e.g. \"Moderate\". Empty when scale is 0."New value: +"Human-readable S-scale descriptor, or null when no level was issued."

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Previous value: -[
-  "scale",
-  "text",
-  "label"
-]New value: +[
+  "scale",
+  "text",
+  "label",
+  "probPercent"
+]

Previous value: -"Forecast date string."New value: +"Forecast date string, e.g. \"2026-06-04\"."

Previous value: -"UTC date and time of the NOAA scales data period this snapshot reflects, e.g. \"2026-06-04 15:00:00\"."New value: +"ISO 8601 UTC date and time of the NOAA scales data period this snapshot reflects, e.g. \"2026-06-04T15:00:00Z\"."

Added value: +{
+  "default": 24,
+  "description": "How far back to report discrete flare events, in hours before now, filtered on each flare’s onset time (1–168, default 24). The feed keeps a rolling 7 days, so 168 returns everything it carries. When the window comes back empty, the response names the newest flare the feed holds.",
+  "maximum": 168,
+  "minimum": 1,
+  "type": "integer"
+}

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "latestXray",
-      "recentXray",
-      "probabilities",
-      "latestProton",
-      "sScale",
-      "sScaleText",
-      "activeRegions",
-      "fetchedAt"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "latestXray",
+      "recentXray",
+      "recentFlares",
+      "f107",
+      "probabilities",
+      "latestProton",
+      "sScale",
+      "sScaleText",
+      "activeRegions",
+      "fetchedAt"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "anyOf": [
+    {
+      "additionalProperties": false,
+      "description": "Latest daily F10.7 index.",
+      "properties": {
+        "fluxSfu": {
+          "description": "10.7 cm solar radio flux in solar flux units (sfu), measured at 2800 MHz.",
+          "type": "number"
+        },
+        "ninetyDayMeanSfu": {
+          "description": "90-day mean flux in sfu; null when the selected record does not carry one.",
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "observedTime": {
+          "description": "ISO 8601 UTC time of the observation (normalized from the feed's Z-less tag). Up to ~24 h old — read it rather than treating the value as now.",
+          "type": "string"
+        },
+        "reportingSchedule": {
+          "description": "Which of the three daily Penticton reports this is: \"Morning\", \"Noon\", or \"Afternoon\".",
+          "type": "string"
+        }
+      },
+      "required": [
+        "observedTime",
+        "fluxSfu",
+        "ninetyDayMeanSfu",
+        "reportingSchedule"
+      ],
+      "type": "object"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Latest daily F10.7 solar radio flux — the Noon Penticton report, which is the value SWPC reports for the day. Null when the feed carries no such record."
+}

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One GOES X-ray flux reading with flare class.",
-    "properties": {
-      "flareClass": {
-        "description": "Flare classification letter: A, B, C, M, or X.",
-        "type": "string"
-      },
-      "fluxWm2": {
-        "description": "X-ray flux in W/m² (0.1-0.8nm long channel from GOES), formatted as scientific notation with 2 significant digits, e.g. \"1.4e-6 W/m²\".",
-        "type": "string"
-      },
-      "satellite": {
-        "description": "GOES satellite number.",
-        "type": "number"
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "fluxWm2",
-      "flareClass",
-      "satellite"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One GOES X-ray flux reading with flare class.",
+    "properties": {
+      "flareClass": {
+        "description": "Flare classification letter: A, B, C, M, or X.",
+        "type": "string"
+      },
+      "flareClassFull": {
+        "description": "Flare class with magnitude, e.g. \"B2.5\" — null below the A1 floor of 1e-8 W/m² (zero and negative readings included), where SWPC's class scheme defines none.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "fluxWm2": {
+        "description": "X-ray flux in W/m² (0.1-0.8nm long channel from GOES), formatted as scientific notation with 2 significant digits, e.g. \"1.4e-6 W/m²\".",
+        "type": "string"
+      },
+      "fluxWm2Value": {
+        "description": "Same quantity as fluxWm2, unformatted, so it can be compared without parsing the display string.",
+        "type": "number"
+      },
+      "satellite": {
+        "description": "GOES satellite number.",
+        "type": "number"
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time tag.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "fluxWm2",
+      "fluxWm2Value",
+      "flareClass",
+      "flareClassFull",
+      "satellite"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Added value: +{
+  "description": "Guidance when the requested flare_hours window returned no flare events — names the newest flare the feed carries, or reports that the feed itself returned none.",
+  "type": "string"
+}

Added value: +{
+  "description": "Discrete flare events whose onset falls within the flare_hours window, oldest first. Empty when no flare began in the window.",
+  "items": {
+    "additionalProperties": false,
+    "description": "One discrete GOES X-ray flare event.",
+    "properties": {
+      "beginClass": {
+        "description": "GOES class with magnitude at onset, e.g. \"B4.2\".",
+        "type": "string"
+      },
+      "beginTime": {
+        "description": "ISO 8601 UTC onset time (SWPC begin_time).",
+        "type": "string"
+      },
+      "endClass": {
+        "description": "GOES class with magnitude at decay; null while the flare is still in progress.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "endTime": {
+        "description": "ISO 8601 UTC decay time; null while the flare is still in progress.",
+        "type": [
+          "string",
+          "null"
+        ]
+      },
+      "maxClass": {
+        "description": "Peak GOES class with magnitude, e.g. \"M5.2\" — SWPC max_class, read as published.",
+        "type": "string"
+      },
+      "maxTime": {
+        "description": "ISO 8601 UTC time of peak flux (SWPC max_time).",
+        "type": "string"
+      },
+      "peakFluxWm2": {
+        "description": "Peak long-channel (0.1–0.8 nm) flux in W/m² — SWPC max_xrlong.",
+        "type": "number"
+      },
+      "rScale": {
+        "description": "NOAA R-scale level implied by the peak flux (0–5); 0 means below the R1 threshold.",
+        "type": "number"
+      },
+      "satellite": {
+        "description": "GOES satellite number the record came from.",
+        "type": "number"
+      }
+    },
+    "required": [
+      "beginTime",
+      "maxTime",
+      "endTime",
+      "beginClass",
+      "maxClass",
+      "endClass",
+      "peakFluxWm2",
+      "rScale",
+      "satellite"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

Added value: +{
+  "description": "Flare class with magnitude, e.g. \"B2.5\" — null below the A1 floor of 1e-8 W/m² (zero and negative readings included), where SWPC's class scheme defines none.",
+  "type": [
+    "string",
+    "null"
+  ]
+}

Added value: +{
+  "description": "Same quantity as fluxWm2, unformatted, so it can be compared without parsing the display string.",
+  "type": "number"
+}

Previous value: -[
-  "timeTag",
-  "fluxWm2",
-  "flareClass",
-  "satellite"
-]New value: +[
+  "timeTag",
+  "fluxWm2",
+  "fluxWm2Value",
+  "flareClass",
+  "flareClassFull",
+  "satellite"
+]

Added value: +{
+  "default": "reduced",
+  "description": "Detail level of the returned plasma and mag series. \"reduced\" (default) bounds each series to at most 200 records: the window is bucketed by record count and one real measurement is emitted per bucket — the bucket's fastest speed for plasma, its most southward Bz for mag — with the newest record in the window always last. A series already inside the bound is returned untouched, so a default 3-hour call is unaffected. \"full\" returns every record in the window (~1,400 per series over 24 hours, a ~540 KB response). bzStatus, bzMinInWindow, latestPlasma, and latestMag are computed from the full window either way.",
+  "enum": [
+    "reduced",
+    "full"
+  ],
+  "type": "string"
+}

Previous value: -"Hours of recent solar wind history to return (1–168, default 3). Records update ~every 1 min, but the feed only carries roughly the last 24 hours — a larger window returns the whole feed, not more history. When a window comes back empty, feedStalenessHours and latestFeedPlasmaTime/latestFeedMagTime report how current the feed actually is."New value: +"Hours of recent solar wind history to return (1–168, default 3). Records update ~every 1 min, but the feed only carries roughly the last 24 hours — a larger window returns the whole feed, not more history, and at the default resolution the returned series stay bounded to 200 records each rather than growing with the window. When a window comes back empty, feedStalenessHours and latestFeedPlasmaTime/latestFeedMagTime report how current the feed actually is."

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "plasma",
-      "mag",
-      "latestPlasma",
-      "latestMag",
-      "bzStatus",
-      "plasmaCount",
-      "magCount",
-      "latestFeedPlasmaTime",
-      "latestFeedMagTime",
-      "feedStalenessHours"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "plasma",
+      "mag",
+      "latestPlasma",
+      "latestMag",
+      "bzStatus",
+      "plasmaCount",
+      "magCount",
+      "bzMinInWindow",
+      "bzMinTimeTag",
+      "latestFeedPlasmaTime",
+      "latestFeedMagTime",
+      "feedStalenessHours"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "description": "Lowest (most southward) Bz reading in nT across the whole window, computed before any reduction — the number storm work reads next to the latest value. Null when the window is empty or every bzGsm in it is null.",
+  "type": [
+    "number",
+    "null"
+  ]
+}

Added value: +{
+  "description": "ISO 8601 time tag of the record that carried bzMinInWindow. Null whenever bzMinInWindow is null.",
+  "type": [
+    "string",
+    "null"
+  ]
+}

Previous value: -"Magnetic field measurements (Bx, By, Bz, Bt) within the window, oldest first."New value: +"Magnetic field measurements (Bx, By, Bz, Bt) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's most southward Bz — with the newest windowed record last, so the final element always equals latestMag."

Added value: +{
+  "description": "Magnetic field records per emitted record — the bucket size the window was reduced by, or 1 when this series was returned untouched. The two series differ in length, so each carries its own factor. Present only when a reduction was applied to either series.",
+  "type": "number"
+}

Previous value: -"Number of magnetic field records in the mag array, spanning the requested window."New value: +"Number of magnetic field records in the mag array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and magWindowRecords carries the pre-reduction total."

Added value: +{
+  "description": "Magnetic field records the window held before reduction. Present only when a reduction was applied to either series.",
+  "type": "number"
+}

Previous value: -"Guidance when the requested window returned no plasma or magnetic field records — names the newest record the feed carries, or reports that the feed itself returned nothing from an active spacecraft."New value: +"Guidance on what shaped this response: that the requested window returned no plasma or magnetic field records — naming the newest record the feed carries, or reporting that the feed itself returned nothing from an active spacecraft — and that a series was bounded to 200 records, with the per-series factors."

Previous value: -"Plasma measurements (speed, density, temperature) within the window, oldest first."New value: +"Plasma measurements (speed, density, temperature) within the window, oldest first. Under resolution=\"reduced\" this is at most 200 real records — one per equal-size bucket of the window, each the bucket's fastest speed — with the newest windowed record last."

Added value: +{
+  "description": "Plasma records per emitted record — the bucket size the window was reduced by, or 1 when this series was returned untouched. Records rather than a minute cadence: the feed skips minutes, so a bucket spans a variable stretch of wall-clock time. Present only when a reduction was applied to either series.",
+  "type": "number"
+}

Previous value: -"Number of plasma records in the plasma array, spanning the requested window."New value: +"Number of plasma records in the plasma array. Equal to the records in the window at full resolution; under a reduction it is the emitted count, and plasmaWindowRecords carries the pre-reduction total."

Added value: +{
+  "description": "Plasma records the window held before reduction. Present only when a reduction was applied to either series.",
+  "type": "number"
+}

Previous value: -"When true (default), return only in-force Warnings, Watches, and Alerts; exclude Summaries, Other, expired products, and cancellation notices. Set false to return all products, including cancellations (flagged by the cancelled field)."New value: +"When true (default), return only in-force Warnings, Watches, and Alerts. Excluded: Summaries and unrecognized products; products whose validity end has passed; cancellation notices; any product a later cancellation names by serial; and all but the newest record carrying the \"THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT\" line. Counts per reason ride in the exclusions enrichment field. Set false to return every product in the window, cancellations included (flagged by the cancelled field)."

Previous value: -"Maximum age of alerts to return, in hours (default 48). The SWPC feed retains all historical records — this window prevents returning weeks of historical notices as \"active.\""New value: +"How far back to look for products, in hours (default 48). The SWPC feed retains all historical records, so this bounds the candidate set rather than declaring what is current. Under active_only=true a product whose validity end is still in the future is returned even when its issue time falls outside this window — a multi-day Watch would otherwise disappear while a day it forecasts a storm for is still running. Under active_only=false it is literal and cuts at exactly the requested age."

Previous value: -[
-  {
-    "not": {
-      "required": [
-        "error"
-      ]
-    },
-    "required": [
-      "alerts",
-      "totalCount",
-      "fetchedAt"
-    ]
-  },
-  {
-    "required": [
-      "error"
-    ]
-  }
-]New value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "alerts",
+      "totalCount",
+      "activeOnly",
+      "fetchedAt"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "description": "Echo of the active_only input: true when the records are the in-force set, false when they are every product in the window. Distinguishes an empty in-force result from an empty feed window.",
+  "type": "boolean"
+}

Previous value: -"True when this record cancels a previously issued product (\"CANCEL WARNING:\"/\"CANCEL ALERT:\" headline) rather than being in force. Always false when active_only=true, which excludes cancellations; set active_only=false to see them."New value: +"True when this record cancels a previously issued product (\"CANCEL WARNING:\"/\"CANCEL WATCH:\"/\"CANCEL ALERT:\" headline) rather than being in force. Always false when active_only=true, which excludes both the cancellation record and the product it names — a cancelled product carries cancelled: false itself, so this flag does not identify one. Set active_only=false to see cancellations and what they cancelled."

Added value: +{
+  "description": "The record's SWPC \"Serial Number:\" value, e.g. \"1125\"; null when the body carries no such line. A per-message-code counter, not a globally unique ID — it repeats across codes and within one code on a corrected reissue, so quote it together with messageCode. It is the key the \"Cancel Serial Number:\", \"Extension to Serial Number:\", and \"Continuation of Serial Number:\" lines in message point at, which is what makes those chains navigable.",
+  "type": [
+    "string",
+    "null"
+  ]
+}

Previous value: -"Validity-window end as ISO 8601 UTC, parsed from the message body (\"Valid To\", \"Now Valid Until\", or \"End Time\"); null when the product carries no end line."New value: +"Validity-window end as ISO 8601 UTC. Read from the message body's \"Valid To\", \"Now Valid Until\", or \"End Time\" label when the product states one. A Watch states none, so its end is derived from the \"Highest Storm Level Predicted by Day:\" list instead: the instant the last listed UTC day forecasting a storm ends (a trailing \"None\" day is a forecast of quiet, not coverage), so a Watch listing Sep 17 as its last storm day ends at 2026-09-18T00:00:00Z. Null when nothing in the body states or implies an end — a point-in-time Alert, or a Watch forecasting no storm on any listed day."

Previous value: -[
-  "productId",
-  "messageCode",
-  "productType",
-  "level",
-  "noaaScale",
-  "cancelled",
-  "phenomenon",
-  "issueDatetime",
-  "validFrom",
-  "validTo",
-  "message"
-]New value: +[
+  "productId",
+  "messageCode",
+  "productType",
+  "level",
+  "noaaScale",
+  "cancelled",
+  "serialNumber",
+  "phenomenon",
+  "issueDatetime",
+  "validFrom",
+  "validTo",
+  "message"
+]

Added value: +{
+  "description": "ISO 8601 UTC instant the applied window starts at: a product issued before this is outside it. Present only under active_only=true.",
+  "type": "string"
+}

Added value: +{
+  "description": "The max_age_hours window as applied, echoed so a caller can see what bounded the candidate set. Present only under active_only=true, where a future validity end can keep an older product in scope.",
+  "type": "number"
+}

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "feed_unavailable"
-]New value: +[
+  "feed_unavailable",
+  "feed_moved"
+]

Added value: +{
+  "additionalProperties": false,
+  "description": "How many products active_only=true left out, by reason. Reasons overlap, so each excluded record is counted under the first that applies, in this field order — these counts plus totalCount equal the number of records the feed carried. Emitted only when something was excluded, and never under active_only=false. Use it to tell \"space weather is quiet\" from \"everything was filtered\" without a second active_only=false call.",
+  "properties": {
+    "agedOut": {
+      "description": "Issued outside the applied window with no validity end still ahead.",
+      "type": "number"
+    },
+    "cancellationRecord": {
+      "description": "Cancellation notices themselves.",
+      "type": "number"
+    },
+    "cancelledBySerial": {
+      "description": "Named by a later cancellation's \"Cancel Serial Number:\" under the same code.",
+      "type": "number"
+    },
+    "productType": {
+      "description": "Summaries and unrecognized products, which are never in force.",
+      "type": "number"
+    },
+    "superseded": {
+      "description": "Carries the supersede line but is not the newest record that does.",
+      "type": "number"
+    },
+    "validityElapsed": {
+      "description": "Validity end already passed, with nothing newer cancelling or superseding it.",
+      "type": "number"
+    }
+  },
+  "required": [
+    "agedOut",
+    "productType",
+    "cancellationRecord",
+    "cancelledBySerial",
+    "superseded",
+    "validityElapsed"
+  ],
+  "type": "object"
+}

Previous value: -"Status notice when no alerts are active."New value: +"Status notice when no products were returned."

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. `invalid_coordinates`: One coordinate provided without the other. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. `invalid_coordinates`: One coordinate provided without the other. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "feed_unavailable",
-  "invalid_coordinates"
-]New value: +[
+  "feed_unavailable",
+  "feed_moved",
+  "invalid_coordinates"
+]

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "auroraPercent": {
-        "description": "Aurora probability at the nearest grid point (0–100%).",
-        "type": "number"
-      },
-      "gridLatitude": {
-        "description": "Nearest OVATION grid latitude.",
-        "type": "number"
-      },
-      "gridLongitude": {
-        "description": "Nearest OVATION grid longitude.",
-        "type": "number"
-      },
-      "minKpRequired": {
-        "description": "Minimum Kp threshold for aurora visibility at this latitude.",
-        "type": "number"
-      },
-      "requestedLatitude": {
-        "description": "Geographic latitude supplied in the request (degrees, −90 to 90).",
-        "type": "number"
-      },
-      "requestedLongitude": {
-        "description": "Geographic longitude supplied in the request (degrees, −180 to 180).",
-        "type": "number"
-      },
-      "verdict": {
-        "description": "Plain-language visibility verdict, e.g. \"Good aurora chance (42%) — Kp≥6 needed at this latitude.\"",
-        "type": "string"
-      }
-    },
-    "required": [
-      "requestedLatitude",
-      "requestedLongitude",
-      "gridLatitude",
-      "gridLongitude",
-      "auroraPercent",
-      "minKpRequired",
-      "verdict"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "auroraPercent": {
+        "description": "Aurora probability at the nearest grid point (0–100%).",
+        "type": "number"
+      },
+      "geomagneticLatitude": {
+        "description": "Centered-dipole geomagnetic latitude the requested coordinates convert to (degrees, −90 to 90). Aurora bands are geomagnetic, so this — not the geographic latitude — is what minKpRequired and the verdict are derived from. It can differ from the geographic latitude by up to ±9.2° in either direction.",
+        "type": "number"
+      },
+      "gridLatitude": {
+        "description": "Nearest OVATION grid latitude.",
+        "type": "number"
+      },
+      "gridLongitude": {
+        "description": "Nearest OVATION grid longitude.",
+        "type": "number"
+      },
+      "minGScale": {
+        "description": "NOAA G level matching minKpRequired (1–5), 0 inside the quiet-time auroral oval where no storm is needed, and null below 40° geomagnetic where no storm level reaches.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "minKpRequired": {
+        "description": "Minimum Kp for aurora at this geomagnetic latitude — the floor of the band, in SWPC thirds (4.67, 5.67, 6.67, 7.67, 9.00), or 0 inside the quiet-time auroral oval above 65°. Reported as 9 where no storm level reaches, which minGScale=null distinguishes from a genuine G5 threshold. The 60° G1 band is this server’s interpolation between the oval edge and NOAA’s G2 figure; the rest are the NOAA scales page figures.",
+        "type": "number"
+      },
+      "requestedLatitude": {
+        "description": "Geographic latitude supplied in the request (degrees, −90 to 90).",
+        "type": "number"
+      },
+      "requestedLongitude": {
+        "description": "Geographic longitude supplied in the request (degrees, −180 to 180).",
+        "type": "number"
+      },
+      "verdict": {
+        "description": "Plain-language visibility verdict at this geomagnetic latitude, e.g. \"Good aurora chance (42%) — Kp≥6.67 (G3) needed at 51.2° geomagnetic latitude.\"",
+        "type": "string"
+      }
+    },
+    "required": [
+      "requestedLatitude",
+      "requestedLongitude",
+      "geomagneticLatitude",
+      "gridLatitude",
+      "gridLongitude",
+      "auroraPercent",
+      "minKpRequired",
+      "minGScale",
+      "verdict"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403), or the scales feed no longer carries its \"0\" (today) period. Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "feed_unavailable"
-]New value: +[
+  "feed_unavailable",
+  "feed_moved"
+]

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "feed_unavailable"
-]New value: +[
+  "feed_unavailable",
+  "feed_moved"
+]

Previous value: -"NOAA G-scale equivalent (0–5) derived from Kp."New value: +"NOAA G-scale equivalent (0–5) derived from Kp, on the same minus-third band floors SWPC uses — it agrees with noaaScale when the feed states one."

Previous value: -"Aurora visibility guidance for this Kp level."New value: +"Aurora visibility guidance for this Kp level, in geomagnetic latitude."

Previous value: -"NOAA G-scale equivalent (0–5)."New value: +"NOAA G-scale equivalent (0–5). Each level starts at its \"minus\" third — G1 at Kp 4.67, G2 at 5.67, G3 at 6.67, G4 at 7.67 (through 8.67), G5 at 9."

Previous value: -"Probability of a C-class flare (%)."New value: +"Probability of a C-class flare from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."

Previous value: -"Probability of an M-class flare (%)."New value: +"Probability of an M-class flare from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."

Previous value: -"Date this region data was observed."New value: +"UTC date this region was observed. The four probability fields on this record cover the following day, not this one."

Previous value: -"Probability of a proton event (%)."New value: +"Probability of a proton event from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."

Previous value: -"Probability of an X-class flare (%)."New value: +"Probability of an X-class flare from this region (%), for the UTC day AFTER observedDate — SWPC issues each day’s region probabilities against the previous day’s observation."

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "feed_unavailable"
-]New value: +[
+  "feed_unavailable",
+  "feed_moved"
+]

Previous value: -"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler."New value: +"Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC feed returns 5xx or 429, times out, or answers with a body that is not parseable JSON. Retried before failing. `feed_moved`: SWPC feed path returns a permanent 4xx (404, 410, 401, 403). Fails in one attempt. Other values are possible when a failure originates below the handler."

Previous value: -[
-  "feed_unavailable"
-]New value: +[
+  "feed_unavailable",
+  "feed_moved"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "string",
+  "null"
+]

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One magnetic field measurement from the active L1 spacecraft.",
-    "properties": {
-      "bt": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Total field magnitude Bt (nT). Null when the feed omits the value."
-      },
-      "bxGsm": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Bx component in GSM coordinates (nT). Null when the feed omits the value."
-      },
-      "byGsm": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "By component in GSM coordinates (nT). Null when the feed omits the value."
-      },
-      "bzGsm": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when the feed omits the value."
-      },
-      "source": {
-        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
-        "type": "string"
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "source",
-      "bxGsm",
-      "byGsm",
-      "bzGsm",
-      "bt"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One magnetic field measurement from the active L1 spacecraft.",
+    "properties": {
+      "bt": {
+        "description": "Total field magnitude Bt (nT). Null when the feed omits the value.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "bxGsm": {
+        "description": "Bx component in GSM coordinates (nT). Null when the feed omits the value.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "byGsm": {
+        "description": "By component in GSM coordinates (nT). Null when the feed omits the value.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "bzGsm": {
+        "description": "Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when the feed omits the value.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "source": {
+        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
+        "type": "string"
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time tag.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "source",
+      "bxGsm",
+      "byGsm",
+      "bzGsm",
+      "bt"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One plasma measurement from the active L1 spacecraft.",
-    "properties": {
-      "densityPerCm3": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Proton density in particles/cm³. Null when the feed omits the value."
-      },
-      "source": {
-        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
-        "type": "string"
-      },
-      "speedKmS": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Solar wind speed in km/s. Null when the feed omits the value."
-      },
-      "temperatureK": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Proton temperature in Kelvin. Null when the feed omits the value."
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "source",
-      "densityPerCm3",
-      "speedKmS",
-      "temperatureK"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One plasma measurement from the active L1 spacecraft.",
+    "properties": {
+      "densityPerCm3": {
+        "description": "Proton density in particles/cm³. Null when the feed omits the value.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "source": {
+        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
+        "type": "string"
+      },
+      "speedKmS": {
+        "description": "Solar wind speed in km/s. Null when the feed omits the value.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "temperatureK": {
+        "description": "Proton temperature in Kelvin. Null when the feed omits the value.",
+        "type": [
+          "number",
+          "null"
+        ]
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time tag.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "source",
+      "densityPerCm3",
+      "speedKmS",
+      "temperatureK"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Removed value: -[
-  {
-    "type": "number"
-  },
-  {
-    "type": "null"
-  }
-]

Added value: +[
+  "number",
+  "null"
+]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "alerts",
+      "totalCount",
+      "fetchedAt"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "feed_unavailable"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "alerts",
-  "totalCount",
-  "fetchedAt"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "observationTime",
+      "forecastTime",
+      "localLookup",
+      "gridPointCount",
+      "topAuroraPercent",
+      "topAuroraRegion"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. `invalid_coordinates`: One coordinate provided without the other. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "feed_unavailable",
+            "invalid_coordinates"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "observationTime",
-  "forecastTime",
-  "localLookup",
-  "gridPointCount",
-  "topAuroraPercent",
-  "topAuroraRegion"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "observedAt",
+      "currentKp",
+      "currentGScale",
+      "auroraLatitude",
+      "today",
+      "forecast",
+      "summary"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "feed_unavailable"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "observedAt",
-  "currentKp",
-  "currentGScale",
-  "auroraLatitude",
-  "today",
-  "forecast",
-  "summary"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "observed",
+      "forecast",
+      "currentKp",
+      "currentGScale",
+      "auroraLatitude",
+      "observedCount"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "feed_unavailable"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "observed",
-  "forecast",
-  "currentKp",
-  "currentGScale",
-  "auroraLatitude",
-  "observedCount"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "latestXray",
+      "recentXray",
+      "probabilities",
+      "latestProton",
+      "sScale",
+      "sScaleText",
+      "activeRegions",
+      "fetchedAt"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "feed_unavailable"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "latestXray",
-  "recentXray",
-  "probabilities",
-  "latestProton",
-  "sScale",
-  "sScaleText",
-  "activeRegions",
-  "fetchedAt"
-]

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +false

Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"

Added value: +[
+  {
+    "not": {
+      "required": [
+        "error"
+      ]
+    },
+    "required": [
+      "plasma",
+      "mag",
+      "latestPlasma",
+      "latestMag",
+      "bzStatus",
+      "plasmaCount",
+      "magCount",
+      "latestFeedPlasmaTime",
+      "latestFeedMagTime",
+      "feedStalenessHours"
+    ]
+  },
+  {
+    "required": [
+      "error"
+    ]
+  }
+]

Added value: +{
+  "additionalProperties": {},
+  "description": "Present when the call failed. Absent on success.",
+  "properties": {
+    "code": {
+      "description": "JSON-RPC error code for this failure.",
+      "maximum": 9007199254740991,
+      "minimum": -9007199254740991,
+      "type": "integer"
+    },
+    "data": {
+      "additionalProperties": {},
+      "properties": {
+        "reason": {
+          "description": "Machine-readable failure mode. Declared by this tool: `feed_unavailable`: SWPC endpoint returns non-OK status or times out after retries. Other values are possible when a failure originates below the handler.",
+          "examples": [
+            "feed_unavailable"
+          ],
+          "type": "string"
+        },
+        "recovery": {
+          "additionalProperties": {},
+          "description": "Actionable next step for the caller.",
+          "properties": {
+            "hint": {
+              "type": "string"
+            }
+          },
+          "required": [
+            "hint"
+          ],
+          "type": "object"
+        },
+        "retryable": {
+          "description": "Whether retrying may succeed.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
+    "message": {
+      "description": "Human-readable description of what went wrong.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "code",
+    "message"
+  ],
+  "type": "object"
+}

Removed value: -[
-  "plasma",
-  "mag",
-  "latestPlasma",
-  "latestMag",
-  "bzStatus",
-  "plasmaCount",
-  "magCount",
-  "latestFeedPlasmaTime",
-  "latestFeedMagTime",
-  "feedStalenessHours"
-]

Previous value: -"When true (default), return only Warnings, Watches, and Alerts; exclude Summaries and Other. Set false to return all products."New value: +"When true (default), return only in-force Warnings, Watches, and Alerts; exclude Summaries, Other, expired products, and cancellation notices. Set false to return all products, including cancellations (flagged by the cancelled field)."

Added value: +{
+  "description": "True when this record cancels a previously issued product (\"CANCEL WARNING:\"/\"CANCEL ALERT:\" headline) rather than being in force. Always false when active_only=true, which excludes cancellations; set active_only=false to see them.",
+  "type": "boolean"
+}

Previous value: -"Numeric severity level from the product code (0 when not applicable)."New value: +"NOAA scale level 0–5, read from the scale stated in the message body. 0 means the product states no NOAA scale (e.g. a K4 warning, below the G-scale; or a radio-burst alert, outside the scales) — not a severity of zero. See noaaScale for the scale letter."

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "NOAA scale stated in the message body, e.g. \"G1\", \"R2\", \"S1\"; null when the product states none."
+}

Previous value: -"Short phenomenon name, e.g. \"Geomagnetic\", \"Radio Blackout\", \"Solar Radiation\"."New value: +"Short phenomenon name derived from the body's NOAA scale letter, e.g. \"Geomagnetic\", \"Radio Blackout\", \"Solar Radiation\"."

Previous value: -[
-  "productId",
-  "messageCode",
-  "productType",
-  "level",
-  "phenomenon",
-  "issueDatetime",
-  "validFrom",
-  "validTo",
-  "message"
-]New value: +[
+  "productId",
+  "messageCode",
+  "productType",
+  "level",
+  "noaaScale",
+  "cancelled",
+  "phenomenon",
+  "issueDatetime",
+  "validFrom",
+  "validTo",
+  "message"
+]

Previous value: -"Hours of recent solar wind history to return (1–168, default 3). Feeds update ~every 1 min."New value: +"Hours of recent solar wind history to return (1–168, default 3). Records update ~every 1 min, but the feed only carries roughly the last 24 hours — a larger window returns the whole feed, not more history. When a window comes back empty, feedStalenessHours and latestFeedPlasmaTime/latestFeedMagTime report how current the feed actually is."

Added value: +{
+  "anyOf": [
+    {
+      "type": "number"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Hours between now and the newest record across both feeds — how far behind real time the upstream data is. Null when both feeds returned no active-spacecraft records."
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "ISO 8601 time of the newest magnetic field record the feed carries, ignoring the window. Null when the feed returned no active-spacecraft mag records."
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "ISO 8601 time of the newest plasma record the feed carries, ignoring the window. Null when the feed returned no active-spacecraft plasma records. Compare against the window to tell a quiet feed from a stale one."
+}

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One DSCOVR magnetic field measurement.",
-    "properties": {
-      "bt": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Total field magnitude Bt (nT). Null when sensor fill value."
-      },
-      "bxGsm": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Bx component in GSM coordinates (nT). Null when sensor fill value."
-      },
-      "byGsm": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "By component in GSM coordinates (nT). Null when sensor fill value."
-      },
-      "bzGsm": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when sensor fill value."
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "bxGsm",
-      "byGsm",
-      "bzGsm",
-      "bt"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One magnetic field measurement from the active L1 spacecraft.",
+    "properties": {
+      "bt": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "Total field magnitude Bt (nT). Null when the feed omits the value."
+      },
+      "bxGsm": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "Bx component in GSM coordinates (nT). Null when the feed omits the value."
+      },
+      "byGsm": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "By component in GSM coordinates (nT). Null when the feed omits the value."
+      },
+      "bzGsm": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when the feed omits the value."
+      },
+      "source": {
+        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
+        "type": "string"
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time tag.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "source",
+      "bxGsm",
+      "byGsm",
+      "bzGsm",
+      "bt"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One DSCOVR plasma measurement.",
-    "properties": {
-      "densityPerCm3": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Proton density in particles/cm³. Null when sensor fill value."
-      },
-      "speedKmS": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Solar wind speed in km/s. Null when sensor fill value."
-      },
-      "temperatureK": {
-        "anyOf": [
-          {
-            "type": "number"
-          },
-          {
-            "type": "null"
-          }
-        ],
-        "description": "Proton temperature in Kelvin. Null when sensor fill value."
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "densityPerCm3",
-      "speedKmS",
-      "temperatureK"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One plasma measurement from the active L1 spacecraft.",
+    "properties": {
+      "densityPerCm3": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "Proton density in particles/cm³. Null when the feed omits the value."
+      },
+      "source": {
+        "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
+        "type": "string"
+      },
+      "speedKmS": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "Solar wind speed in km/s. Null when the feed omits the value."
+      },
+      "temperatureK": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "null"
+          }
+        ],
+        "description": "Proton temperature in Kelvin. Null when the feed omits the value."
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time tag.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "source",
+      "densityPerCm3",
+      "speedKmS",
+      "temperatureK"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"Magnetic field measurements (Bx, By, Bz, Bt) within the window."New value: +"Magnetic field measurements (Bx, By, Bz, Bt) within the window, oldest first."

Previous value: -"One DSCOVR magnetic field measurement."New value: +"One magnetic field measurement from the active L1 spacecraft."

Previous value: -"Total field magnitude Bt (nT). Null when sensor fill value."New value: +"Total field magnitude Bt (nT). Null when the feed omits the value."

Previous value: -"Bx component in GSM coordinates (nT). Null when sensor fill value."New value: +"Bx component in GSM coordinates (nT). Null when the feed omits the value."

Previous value: -"By component in GSM coordinates (nT). Null when sensor fill value."New value: +"By component in GSM coordinates (nT). Null when the feed omits the value."

Previous value: -"Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when sensor fill value."New value: +"Bz component in GSM coordinates (nT). Southward (negative) drives geomagnetic storms. Null when the feed omits the value."

Added value: +{
+  "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
+  "type": "string"
+}

Previous value: -[
-  "timeTag",
-  "bxGsm",
-  "byGsm",
-  "bzGsm",
-  "bt"
-]New value: +[
+  "timeTag",
+  "source",
+  "bxGsm",
+  "byGsm",
+  "bzGsm",
+  "bt"
+]

Added value: +{
+  "description": "Guidance when the requested window returned no plasma or magnetic field records — names the newest record the feed carries, or reports that the feed itself returned nothing from an active spacecraft.",
+  "type": "string"
+}

Previous value: -"Plasma measurements (speed, density, temperature) within the window."New value: +"Plasma measurements (speed, density, temperature) within the window, oldest first."

Previous value: -"One DSCOVR plasma measurement."New value: +"One plasma measurement from the active L1 spacecraft."

Previous value: -"Proton density in particles/cm³. Null when sensor fill value."New value: +"Proton density in particles/cm³. Null when the feed omits the value."

Added value: +{
+  "description": "Spacecraft that reported this measurement, as named by the feed, e.g. \"SOLAR1\".",
+  "type": "string"
+}

Previous value: -"Solar wind speed in km/s. Null when sensor fill value."New value: +"Solar wind speed in km/s. Null when the feed omits the value."

Previous value: -"Proton temperature in Kelvin. Null when sensor fill value."New value: +"Proton temperature in Kelvin. Null when the feed omits the value."

Previous value: -[
-  "timeTag",
-  "densityPerCm3",
-  "speedKmS",
-  "temperatureK"
-]New value: +[
+  "timeTag",
+  "source",
+  "densityPerCm3",
+  "speedKmS",
+  "temperatureK"
+]

Previous value: -[
-  "plasma",
-  "mag",
-  "latestPlasma",
-  "latestMag",
-  "bzStatus",
-  "plasmaCount",
-  "magCount"
-]New value: +[
+  "plasma",
+  "mag",
+  "latestPlasma",
+  "latestMag",
+  "bzStatus",
+  "plasmaCount",
+  "magCount",
+  "latestFeedPlasmaTime",
+  "latestFeedMagTime",
+  "feedStalenessHours"
+]

Previous value: -"Total probability of a C-class flare for this day (%)."New value: +"Total probability of a C-class flare for this date (%)."

Added value: +{
+  "description": "Total probability of a C-class flare for this date (%). Date-neutral alias of cClass1Day.",
+  "type": "number"
+}

Previous value: -"Total probability of an M-class flare for this day (%)."New value: +"Total probability of an M-class flare for this date (%)."

Added value: +{
+  "description": "Total probability of an M-class flare for this date (%). Date-neutral alias of mClass1Day.",
+  "type": "number"
+}

Added value: +{
+  "description": "Probability of a ≥10 MeV proton event for this date (%). Date-neutral alias of protons1Day.",
+  "type": "number"
+}

Previous value: -"Probability of ≥10 MeV proton event for this day (%)."New value: +"Probability of a ≥10 MeV proton event for this date (%)."

Previous value: -"Total probability of an X-class flare for this day (%)."New value: +"Total probability of an X-class flare for this date (%)."

Added value: +{
+  "description": "Total probability of an X-class flare for this date (%). Date-neutral alias of xClass1Day.",
+  "type": "number"
+}

Previous value: -[
-  "date",
-  "cClass1Day",
-  "mClass1Day",
-  "xClass1Day",
-  "protons1Day"
-]New value: +[
+  "date",
+  "cClass1Day",
+  "cClassProbability",
+  "mClass1Day",
+  "mClassProbability",
+  "xClass1Day",
+  "xClassProbability",
+  "protons1Day",
+  "protonEventProbability"
+]

Added value: +{
+  "description": "Full SWPC \"Space Weather Message Code\" parsed from the message body, e.g. \"WARK04\", \"ALTEF3\" — the code that drives product type, phenomenon, and level.",
+  "type": "string"
+}

Previous value: -"SWPC product code, e.g. \"WARK04\", \"ALTK07\"."New value: +"Short SWPC feed product ID, e.g. \"K04W\", \"EF3A\". See messageCode for the full code."

Previous value: -[
-  "productId",
-  "productType",
-  "level",
-  "phenomenon",
-  "issueDatetime",
-  "validFrom",
-  "validTo",
-  "message"
-]New value: +[
+  "productId",
+  "messageCode",
+  "productType",
+  "level",
+  "phenomenon",
+  "issueDatetime",
+  "validFrom",
+  "validTo",
+  "message"
+]

Previous value: -"Validity start parsed from the message body, null if not found."New value: +"Validity-window start as ISO 8601 UTC, parsed from the message body (\"Valid From\" or \"Begin Time\"); null when the product carries no start line."

Previous value: -"Validity end parsed from the message body, null if not found."New value: +"Validity-window end as ISO 8601 UTC, parsed from the message body (\"Valid To\", \"Now Valid Until\", or \"End Time\"); null when the product carries no end line."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "description": "One GOES integral proton flux reading with S-scale.",
-    "properties": {
-      "energy": {
-        "description": "Energy channel, e.g. \">=10 MeV\".",
-        "type": "string"
-      },
-      "fluxPfu": {
-        "description": "Integral proton flux in particle flux units (pfu) at ≥10 MeV.",
-        "type": "number"
-      },
-      "sScale": {
-        "description": "NOAA S-scale level (0–5) for this flux reading.",
-        "type": "number"
-      },
-      "timeTag": {
-        "description": "ISO 8601 measurement time tag.",
-        "type": "string"
-      }
-    },
-    "required": [
-      "timeTag",
-      "fluxPfu",
-      "sScale",
-      "energy"
-    ],
-    "type": "object"
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "description": "One GOES integral proton flux reading with S-scale.",
+    "properties": {
+      "energy": {
+        "description": "Energy channel, e.g. \">=10 MeV\".",
+        "type": "string"
+      },
+      "fluxPfu": {
+        "description": "Integral proton flux in particle flux units (pfu) at ≥10 MeV, rounded to 3 significant figures.",
+        "type": "number"
+      },
+      "sScale": {
+        "description": "NOAA S-scale level (0–5) for this flux reading.",
+        "type": "number"
+      },
+      "timeTag": {
+        "description": "ISO 8601 measurement time tag.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "timeTag",
+      "fluxPfu",
+      "sScale",
+      "energy"
+    ],
+    "type": "object"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"3-day Kp forecast series."New value: +"Forward-looking Kp forecast series (estimated and predicted entries only; observed history excluded)."

Previous value: -"One Kp forecast interval."New value: +"One forward-looking Kp forecast interval (estimated or predicted)."

Added value: +{
+  "description": "NOAA G-scale label, e.g. \"G0\", \"G3\".",
+  "type": "string"
+}

Added value: +{
+  "description": "NOAA G-scale equivalent (0–5) derived from Kp.",
+  "type": "number"
+}

Previous value: -"\"observed\" for confirmed readings, \"predicted\" for forecast points."New value: +"\"estimated\" for near-real-time model points, \"predicted\" for forecast points."

Previous value: -[
-  "timeTag",
-  "kp",
-  "observed",
-  "noaaScale"
-]New value: +[
+  "timeTag",
+  "kp",
+  "observed",
+  "noaaScale",
+  "gScale",
+  "gLabel"
+]