A large sunspot cluster has produced several moderate to strong solar flares, leading to the expectation of at least five coronal mass ejections arriving at Earth late Friday or early Saturday, prompting a severe geomagnetic storm watch.
The solar storm is classified as G4, equivalent to a category four hurricane, originating from a large sunspot cluster 16 times the diameter of Earth in Noaa region 3664, with the potential for critical infrastructure impact.
The severity of the solar storm is considered extraordinary, triggering notifications to critical infrastructure operators, with historical references to the 1859 Carrington event raising concerns about potential extreme impacts.
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