‘Northern Lights’ Could Be Visible in California This Weekend

Published on May 11, 2024

Northern Californians have a rare chance to see the northern lights— typically best seen in Alaska—Friday and Saturday night amid a severe geomagnetic storm. The rare event could mean the phenomenon—technically called aurora borealis— is visible in the United States from as far north as Alaska to as far south as Alabama. Until this weekend, the National Oceanic and Atmospheric Administration (NOAA), which forecasts weather and monitors ocean and atmospheric conditions, hadn’t issued such a storm warning since January 2005. A geomagnetic storm results from variations in solar wind, which produce changes in Earth’s ionosphere that can disrupt the power grid, radio signals, and GPS readings, according to a CNN report....