severe storm, Northern lights
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The NOAA Space Weather Prediction Center has issued a Severe (G4) Geomagnetic Storm Watch for Wednesday, Nov. 12, following several large solar eruptions over the past few days.
A third CME wave is still expected to hit Earth on Wednesday, and it could spark a geomagnetic storm even more intense than the first two.
A severe geomagnetic storm that hit the Earth's magnetic field Tuesday night made the northern lights visible across a large swath of the U.S., including in the Delaware Valley.