Friday’s severe geomagnetic storm watch is the first issued by the agency since 2005. The storm caused the northern lights to be seen as far south as Louisiana, Alabama, and Mississippi, with reports of sightings in Tyrol, Austria and even as far as London’s Penge neighborhood. The northern lights occur when charged particles from solar storms collide with Earth’s magnetic field, creating colorful light displays in the sky. The ongoing storm has caused reports of power grid issues and is expected to continue through at least Sunday. People around the world shared photos of the aurora on social media, showcasing the stunning cosmic show.
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