Coronal mass ejection (CME) produced by a long-duration M3.7 solar flare at 20:30 UTC on February 24, 2023, reached Earth at 19:25 UTC on February 26. A glancing blow impact from CME produced by M6.3 solar flare on February 25 is expected during the afternoon hours on February 27. The resulting geomagnetic storm activity is expected to be significant, with both CMEs interacting with a negative-polarity coronal hole high-speed stream, potentially producing G3 – Strong or higher levels of geomagnetic storming.
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Source: Space Weather