The British Geological Survey has upgraded its forecast to the maximum level, anticipating a significant geomagnetic “cannibal storm” that may be one of the largest in two decades, following initial interference with communications and satellite navigation. This solar storm, an eruption of particles and energy from the sun, could trigger spectacular Northern Lights displays, particularly in Scotland, northern England, and Northern Ireland. However, the storm’s potential reach extends beyond visual delights, with possible disruptions to GPS, communication systems, and power grids, as indicated by the highest G5 rating. Although NASA assures that humans are protected from direct harm, the storm’s intensity warrants close monitoring.
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An X5.1-class solar flare, the strongest of 2025, erupted from sunspot AR4274 on November 11th, causing strong radio blackouts over Africa and Europe. This eruption follows a series of intense flares from the same sunspot, including X1.7 and X1.2 flares in previous days. A coronal mass ejection (CME) from the recent flare is expected to reach Earth on November 12th, potentially causing severe geomagnetic storm conditions, with the possibility of triggering widespread auroras.
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This geomagnetic solar storm hitting level G5 is nothing short of extraordinary. The fact that this is the first G5 storm since 2005 is a significant event for those of us fascinated by space weather. The extreme northern lights that have been reported in Europe as a result of this solar storm are a treat for the eyes, painting the sky with vibrant colors that are reminiscent of a 60s sci-fi movie.
The sun has its own 11-year cycle of activity, and we are nearing the peak of a particularly turbulent solar maximum. The data suggests that we can expect more frequent and intense solar storms in the coming years.… Continue reading
John Q. Hosedrinker