Massive coronal hole prompts geomagnetic storm warning •

A high-speed stream from a coronal hole is expected to lead to G2 (Moderate) geomagnetic storming on December 4 and December 5, 2023.

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Geomagnetic Storm Watch Cancelled by NOAA; G1 Storm Still Forecast

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Massive Blast Explodes off Sun Towards Earth; Significant

G2 (Moderate) Geomagnetic Storm Watch Extended into 12 Oct, 2021

CME impacts Earth, sparking G3 - Strong geomagnetic storm - The

Coronal mass ejection from colossal New Year's Eve solar flare

Huge solar flare is spotted on a distant star

OMSI: Massive sun explosion could have been catastrophic for Earth