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Power outage warning: "Big solar flare heading to Earth" — time of "direct hit" predicted

Forecasters at the Space Weather Prediction Center (SWPC), a unit of the US Department of Commerce under NOAA, has issued a G2 geomagnetic storm warning for October 11. Solar storms are rated on a scale from G1 to G5 – with one being the weakest and five having the most potential for damage. But even a G1 stomp's can create issues for billions, as experts expect power grid fluctuations and minor impacts on satellite operations.

While these solar events can help illuminate the sky with stunning aurora, they can also do considerable harm to electronics, electrical grids, and satellite and radio communications.