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On June 2nd at a high-speed (700 km/s) solar wind stream buffets Earth's magnetic field. The warning comes on the heels of a lengthy G2-class geomagnetic storm on May 31- and again June 1 sparked by the arrival of an interplanetary shock wave. The source of the shock is unknown. Although I do suspect it is from the coronal holes themselves. Current speculation focuses on a corotating interaction region (CIR)--that is, a shock-like transition zone between high- and low-speed solar wind streams. Whatever it was, the impact ignited some beautiful auroras,
June 1st, Northern Lights spilled across the Canadian border into more than a dozen US states, turning the sky purple and green as far south as Colorado and Nebraska. Subscribers to the Space Weather Alert System knew the storm was coming, but others were surprised:
Aurora Over Crater Lake National Park, OR
Taken by Brad Goldpaint on June 1, 2013 @ Crater Lake National Park, OR
Aurora
Taken by Robert Farrimond on May 31, 2013 @ Vantage, Washington
As solar maximum nears its peak we are anticipating whatever our heightened imagination can visualize.
Here is a little preview of the magnetic storm, solar flares at immense speed racing towards earth we can expect.
In which this event actually happened not too long ago last year in March 2012 with a CME at class M.8.
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