Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G2 (Moderate) Geomagnetic Storm Conditions Met

G2 (Moderate) Geomagnetic Storm Conditions Met
published: Saturday, September 16, 2017 23:01 UTC UTC

G2 (Moderate) geomagnetic storm conditions were met at 16/0533 UTC due to continued effects from a positive polarity coronal hole high speed stream.