Tag: boulder_colorado

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
NOAA Forecasts Potential Radio Blackouts from Sunspot Activity

25 May 2026 2:08 a.m. · Source: NOAA

The NOAA Space Weather Prediction Center forecasts potential R1-R2 radio blackouts from May 25-31 due to sunspot Region 4432. This follows minor blackouts on May 22 from sunspot 4436, impacting radio communications.

Science & Technology Weather Astronomy and Space General Weather Federal Government Space Weather Radio Blackouts Sunspot Region 4432 Sunspot Region 4436 Solar Flares NOAA Space Weather Prediction Center Boulder, Colorado