solar-radiation-storm on Hacker News: 1 stories with screenshots

Screenshot of swpc.noaa.gov: Level S4 solar radiation event

Level S4 solar radiation event (swpc.noaa.gov)

594 points by WorldPeas 9 months ago | 197 comments

NOAA Space Weather Prediction Center news alert that G4 (severe) geomagnetic storm levels were reached on 19 January 2026, with aurora forecast and guidance.

space-weather geomagnetic-storm solar-radiation-storm noaa

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Level S4 solar radiation event(swpc.noaa.gov)

Level S4 solar radiation event (swpc.noaa.gov)