A G4 geomagnetic storm and Hurricane Milton approach the U.S., posing risks to power grids, GPS, and communication.

A severe G4 geomagnetic storm is forecast to impact the U.S. through Friday, coinciding with Hurricane Milton's approach to Florida. The National Oceanic and Atmospheric Administration warns of potential disruptions to power grids, GPS, and radio communication. Operators of power plants and satellites have been alerted, and the storm may cause voltage control issues and communication blackouts. Auroras could be visible as far south as Alabama.

October 09, 2024
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