You Can Still See the Aurora Borealis Tonight. Here's Where the Brightest Lights Will Glow
The Fourth of July holiday will bring explosive light shows on Friday night, but many folks will see much quieter and calmer lights in the sky tonight, as recent solar activity will continue to bring the Aurora Borealis to several US states. Wednesday night marks the winding down of a Kp 4 magnetic storm that the Space Weather Prediction Center reported starting late Monday evening. The K-Index measures the horizontal impact of geomagnetic storms, and a Kp4 or Kp 5 rating results in what the Na