Multiple CMEs forecast to impact Earth through July 6 after repeated eruptions from Region 4479
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July 2, 2026
Multiple coronal mass ejections linked to repeated eruptions from Active Region 4479 are forecast to reach Earth in stages from July 3 through July 6, 2026. NOAA’s official forecast calls for G1–G2 geomagnetic storm conditions on July 3 and 4, while later CME arrivals remain under model assessment.
Source
Discussion in the ATmosphere