A G4 (Severe) geomagnetic storm space weather alert from the Space Weather Prediction Center National Oceanic and Atmospheric Administration is still in progress and could possibly produce G3-G4 (Strong-Severe) levels. G4 (Severe) conditions have already occurred. The disturbed conditions are expected to continue into early June 2.
Statement from the Space Weather Prediction Center
published: Sunday, June 01, 2025 17:57 UTC:
The G4 (Severe) geomagnetic storm watch remains in effect for tonight, June 1st (EDT), as CME passage continues. There are indications that the coronal mass ejection (CME) passage is weakening, but the solar wind conditions remain elevated, therefore additional periods of G3-G4 (Strong-Severe) levels remain possible. However, we now anticipate that conditions should weaken enough by tomorrow evening, June 2nd (EDT), that G1 (Minor) storm levels is the most likely peak response.
Image/Space Weather Prediction Center/NOAA
