Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G1-G2 (Minor-Moderate) Geomagnetic Storm Warning in Effect

G1-G2 (Minor-Moderate) Geomagnetic Storm Warning in Effect
published: Saturday, September 9, 2017 15:10 UTC UTC

Although the CME effects appear to be weakening, we still have the potential for further G1-G2 (Minor-Moderate) geomagnetic storm levels through the night.  The G1 (Minor) geomagnetic storm warning has been extended through 1500 UTC (11:00 Eastern) on 09 September and the G2 (Moderate) storm warning has been extended through 0900 UTC (05:00 Eastern) on 09 September.