Geomagnetic Warning Up
Posted by JAC on 3/23/2011, 5:41 am
Space Weather Message Code: WARK04
Serial Number: 1703
Issue Time: 2011 Mar 23 0722 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Mar 23 0720 UTC
Valid To: 2011 Mar 23 1200 UTC
Warning Condition: Onset



Earth is entering a stream of solar wind blowing ~500 km/s, and the encounter is stirring up geomagnetic activity around the Arctic Circle.

High-latitude sky watchers should be alert for auroras.






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Geomagnetic Warning Up - JAC, 3/23/2011, 5:41 am
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