Charged particles from the Sun fueled a strong geomagnetic storm from late Sunday into Monday, delivering impressive displays of Northern Lights as far south as the Midwest .
On Sunday, NOAA's Space Weather Prediction Center (SWPC) issued a Geomagnetic Storm Warning when charged particles from solar wind were forecast to arrive on Earth . The storm was caused by increased solar wind from a coronal hole, a dark area of the Sun, visible on satellite images, which can produce space weather events here on Earth.
Strong, level 3 out of 5 , geomagnetic storm conditions were reached on Sunday, producing colorful displays of Aurora Borealis lights as far south as Michigan .
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The SWPC uses a 9-point scale known as the KP index to rate geomagnetic storm intensi