Space Weather Prediction Center

National Oceanic and Atmospheric Administration

CME(s) Arrived and G2 Watch Continues through 21 March

CME(s) Arrived and G2 Watch Continues through 21 March
CME(s) Arrived and G2 Watch Continues through 21 March
published: Saturday, March 21, 2026 20:13 UTC UTC

A G2 Watch continues for 20-21 March due to a mix of CME arrivals and CH HSS effects. To learn more about what transpired, what may be yet to come, and what to look for as we go into the weekend, check out this SWPC video update about this activity. And, as always stay informed by continuing to visit our webpage for the latest information and updates.