
Solar Wind Hit Earth's Magnetic Field
A high-speed solar wind stream hit Earth’s magnetic field last night, sparking a geomagnetic storm (Kp=5-6) that lasted more than 15 hours. Northern Lights spilled across the Canadian border and were spotted in several US states.
The chart above is updated every 15 minutes at 1, 16, 31, and 46 minutes past the hour. Use the browser Refresh or Reload option to ensure the latest data is shown. Boulder, Colorado and Fredericksburg, Virginia are mid-latitude stations. College, Alaska is a high-latitude station. Estimated Planetary is a combined measure of several mid- and high-latitude stations.
For more information
http://www.spaceweather.com/
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