G3 - G4 geomagnetic storm underway

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Denob
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G3 - G4 geomagnetic storm underway

Post by Denob » Tue Mar 17, 2015 9:51 pm

Keep an eye out for auroras and have your backups for power failure ready!
http://www.swpc.noaa.gov/news/swpc-pres ... 4-activity



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