[ORGANIZATION]
NOAA Space Weather Prediction Center
Featured in 2 tracked stories · first seen
Situations
September solar activity and geomagnetic storm impacts
3 clusters · 7 sources · last updated
Latest: Solar activity triggers geomagnetic storms and poses grid risks
Forecasts for September indicated fluctuating geomagnetic activity, with initial predictions suggesting a calm period around September 1 followed by potential disturbances on September 4 and 5. Significant activity was e
Solar activity and geomagnetic storm events
2 clusters · 6 sources · last updated
Latest: Solar flare and CME trigger geomagnetic storm watches
Solar activity in late August 2026 has triggered various space weather warnings. An M6.9 solar flare from Active Region 4513 caused a moderate (R2) radio blackout affecting high-frequency communications in the Arctic, Eu