Sunspot AR3848 produced a strong X1.8-class solar flare, triggering blackouts and stressing the power grid. Solar flares are the largest explosive events in the solar system.
NOAA has issued an extreme geomagnetic storm watch due to a level 4 G4 storm, marking the second such warning since 2005, underscoring its rarity.
New York City officials are warning residents about the potential impacts, highlighting that while monitoring effects, there is no immediate need for public action.
The coronal mass ejection (CME), following the solar flare, is causing the G4 storm and is traveling at around 750 to 800 miles per second.
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