A major geomagnetic storm is impacting Earth, the NOAA Space Weather Prediction Center (SWPC) said Sunday afternoon. The U.S., however, may not see the aurora commonly associated with such celestial events.
Saturday, the SWPC issued geomagnetic storm watches through Monday as a coronal mass ejection was on track to impact Earth. At the time, the agency said the geomagnetic storms could reach G2 “moderate” and G3 “strong” strength.
However, on Sunday, the SWPC warned that the storm has reached “severe” G4 conditions.
Here’s what we know:
What is a coronal...
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