Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G2 Moderate Storm levels reached on 19 Sep

G2 Moderate Storm levels Reached. Aurora forecast plot.
G2 Moderate Storm levels reached on 19 Sep
published: Tuesday, September 19, 2023 04:59 UTC

G2 (Moderate) geomagnetic storm levels were reached at 19/0216 UTC (18/2016 MDT) following the likely arrival of the anticipated coronal mass ejection that left the Sun on 16 Sep.

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