Full space-weather now-cast (NOAA SWPC) — the NOAA R/S/G storm scales (radio blackout /
radiation storm / geomagnetic storm), geomagnetic Kp index, solar wind (speed, density, and Bz —
the storm driver), the latest solar X-ray flux / flare, and an aurora-visibility hint. Affects
satellite comms & drag, GPS accuracy, HF radio, power grids, and the radiation/power environment
for orbital compute. Use for "is there a geomagnetic/solar storm right now".
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