This week’s geomagnetic storm is much weaker than the May 11 event, although both incidents involved cannibal coronal mass ejections.
SEATTLE — The northern lights could dance over the Pacific Northwest this week as a geomagnetic storm approaches Earth.
This storm isn’t on the same scale as the historic May 11 aurora, but there are similarities between the two events.
How the May 11 storm formed
It’s estimated the May 11 auroras were among the top 20 geomagnetic storms in the past 500 years, according to an analysis from Nagoya University researcher Hisashi Hayakawa.
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