Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G3 Level Geomagnetic Event Observed

G3
G3 Level Geomagnetic Event Observed
published: Saturday, May 31, 2025 14:42 UTC UTC

A G3 (Strong) geomagnetic storm was observed at 29/0216 UTC in response to negative polarity coronal hole high speed stream influences. A G3 warning is valid until 29/0600 UTC. Stay tuned for updates.