Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G1 (Minor) Geomagnetic Storm Conditions Observed

G1 (Minor) Geomagnetic Storm Conditions Observed
published: Friday, October 13, 2017 15:34 UTC

G1 (Minor) Geomagnetic Storm Alerts were issued on 11-15 Oct due to influence from a recurrent, polar connected, positive polarity coronal hole high-speed stream. Stay tuned for additional updates as SWPC forecasters continue to respond to these geomagnetic storm conditions.