A Large and energetic Coronal Mass Ejection left the Sun on Sept. - TopicsExpress



          

A Large and energetic Coronal Mass Ejection left the Sun on Sept. 30th and it seems to have arrived in a BIG WAY ahead of schedule. (It was forecast to arrive tomorrow at 10 am EDT). This means its velocity and, hence, dynamic pressure, is greater than thought. Ten minutes after NOAA issued its sudden impulse warning the K-index leapt from K=2 to K=5 (Geomagnetic Storm Level) Check out this Realtime Bow-shock model of the magnetosphere
Posted on: Wed, 02 Oct 2013 07:26:06 +0000

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