Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G2 (Moderate) Geomagnetic Storm Observed. G1 (Minor) Conditions Continue

Aurora Forecast Model Output
G2 (Moderate) Geomagnetic Storm Observed. G1 (Minor) Conditions Continue
published: Friday, December 23, 2016 01:01 UTC UTC

A G2 (Moderate) Geomagnetic Storm Alert was observed on December 21, 2016 at 1613 UTC (11:13 am ET). Conditions are expected to remain elevated with G1 (Minor) storms through 22/1500 UTC due to continued coronal hole high speed stream effects. Stay tuned for updates!