US EditionNOAA Issues Geomagnetic Storm Watch After Strong Solar Flares
- On Nov. 4, 2025, the Sun erupted with two X-class flares, X1.8 from Active Region 4274 and X1.1 beyond the east limb, causing strong radio blackouts across the Americas and the Pacific.
- Region 4274, a magnetically complex sunspot cluster with a beta-gamma-delta magnetic configuration, is rotating into a more Earth-facing position during the Sun's active phase, raising flare risks.
- Both flares also launched coronal mass ejections largely off the limb; the X1.8 flare produced Type IV radio emissions, a 160 sfu Tenflare, and a partial halo CME visible in coronagraph imagery.
- NOAA is warning of minor G1 to moderate G2 geomagnetic storming late Nov. 6 into Nov. 7, with a glancing shock possibly merging with a coronal hole high-speed stream and auroras visible in 14 U.S. states.
- Because CMEs travel slowly, the SWPC has raised flare probabilities to 65% for M-class and 15% for X-class flares through November 7, with ongoing activity confirmed by an M7.4 flare on Nov. 5.
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SurvivalBlog presents another edition of The Survivalist’s Odds ‘n Sods. This column is a collection of news bits and pieces that are relevant to the modern survivalist and prepper from JWR. Our goal is to educate our readers, to help them to recognize emerging threats, and to be better prepared for both disasters and negative societal trends. You can’t mitigate a risk if you haven’t first identified a risk. In today’s column, the threat to sate…
The Sun released two powerful class X flares, the most intense of its scale, in less than 12 hours, causing radio blackouts in the western and eastern hemispheres of the Earth, reported the United States National Office of Oceanic and Atmospheric Administration (NOAA).
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