Tag Archive | solar storms equinox eclipse

SPACEWEATHER: Potential for CIR on the Equinox; Growing Light of Comet 3I/ATLAS

Accelerating Solar Winds from the Butterfly Coronal Hole

SPACEWEATHER.COM NEWS: 09/19/2025

PERFECT TIMING FOR A CIR: A co-rotating interaction region (CIR) could hit Earth on Sept. 22nd. If so, it would be perfect timing. Sept. 22nd is the northern autumnal equinox. Thanks to the “Russell-McPherron effect,” even small disturbances in the solar wind can spark equinox geomagnetic storms. Stay tuned for fall colors. 

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