Tag: coronal_hole

NOAA: Minor Geomagnetic Storm Periods Likely on October 31

25 Oct 2026 9:22 p.m. · Source: NOAA

NOAA's Space Weather Prediction Center reports G1 minor geomagnetic storming on October 21 and warns that similar storm periods are likely on October 31.

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NOAA Forecasts Minor Geomagnetic Storm for July 22

19 Jul 2026 10:01 p.m. · Source: NOAA

NOAA forecasts a G1 (Minor) geomagnetic storm for July 22, 2026, attributed to coronal hole influence. No other space weather storms are expected in the coming week, following a calm period from July 13-19.

Science & Technology Politics and Government Astronomy and Space Federal Government NOAA Space Weather Geomagnetic Storm Coronal Hole Forecast Science Weather Solar Flares

NOAA Forecasts Minor Geomagnetic Storms This Week

28 Jun 2026 11:08 p.m. · Source: NOAA

NOAA forecasts G1 (Minor) geomagnetic storms for June 29-30 due to a coronal mass ejection, following a similar storm on June 25 caused by a coronal hole. The Space Weather Prediction Center advises on upcoming space weather.

Science & Technology Astronomy and Space Federal Government NOAA Space Weather Geomagnetic Storm Coronal Mass Ejection Coronal Hole Boulder, Colorado Astronomy Solar Flares