Solar Flare Aug. 4 This still from a video shows the CME lifting off from sunspot 1261. NASA/SDO
Video: Three Solar Flares Spark Power Grid Concerns And Ignite Auroras In The Upper United States -- Popular Science
A trifecta of sunsplosions over the past few days has prompted government agencies to once again warn of possible power and communications disruptions. The coronal mass ejections could produce a strong aurora as far south as Minnesota and Wisconsin, according to space weather forecasters at NOAA.
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