G4

IMPACT! CME Arrives on Earth, Geomagnetic Storm Building; Expected to be SEVERE

by Weatherboy Team Meteorologist - November 12, 2025

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Severe (4 out of 5) Geomagnetic Storm Watch in Effect; Aurora Likely

by Weatherboy Team Meteorologist - May 9, 2024

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Severe 4 (of 5) Geomagnetic Storm Impacting Earth; Aurora Likely Throughout Large Part of U.S.

by Weatherboy Team Meteorologist - March 24, 2024

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Geomagnetic Storm WARNING: Strong to Extreme Event Expected; Aurora Likely Well South than Usual

by Weatherboy Team Meteorologist - August 17, 2022

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