Sunday, June 1, 2025

"G4 – Severe geomagnetic storm watch issued for June 2 following strong Earth-directed CME"

From The Watchers, May 31:

The U.S. Space Weather Prediction Center (SWPC) issued a G4 – Severe geomagnetic storm watch for June 2, 2025, following the eruption of a powerful, Earth-directed coronal mass ejection (CME) associated with a long-duration M8.1 solar flare from Active Region 4100. The CME is forecast to arrive at Earth late on June 1, with geomagnetic storm conditions expected to intensify through June 2....

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