Space Weather Prediction Center

National Oceanic and Atmospheric Administration

G1-Minor geomagnetic Storm Conditions Observed

Ovation Aurora model/G1 Alert
G1-Minor geomagnetic Storm Conditions Observed
published: Thursday, April 20, 2017 18:50 UTC UTC

G1-Minor storm conditions were met at 20/0336 UTC as a result of enhanced solar wind speeds associated with a coronal hole high speed stream.

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