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Historic Solar Storm Spurs PJM to Extend Geomagnetic Disturbance Warning

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Credit to Author: Sonal Patel| Date: Sun, 12 May 2024 14:41:56 +0000

Grid operator PJM Interconnection has issued a geomagnetic disturbance (GMD) warning after observing “persistent geomagnetically induced current (GIC) at multiple stations” late on Friday.  PJM initially issued a GMD warning […]

The post Historic Solar Storm Spurs PJM to Extend Geomagnetic Disturbance Warning appeared first on POWER Magazine.

A large sunspot cluster has produced several moderate to strong solar flares since Wednesday, May 8, 2024. At least five flares were associated with coronal mass ejections (CMEs) that appear to be Earth-directed. “CMEs are explosions of plasma and magnetic fields from the sun’s corona. They cause geomagnetic storms when they are directed at Earth. Geomagnetic storms can impact infrastructure in near-Earth orbit and on Earth’s surface, potentially disrupting communications, the electric power grid, navigation, radio and satellite operations,” NOAA explains. Courtesy: NASA

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