G3 Geo-Magnetic Storm on 9.26.11 (2 today)

Geomagnetic Storm in Progress / CME IMPACT:

Just before 12:00 UTC Monday, the ACE Spacecraft detected a solar wind increase from 350 km/s to over 600 km/s. This indicates the arrival of a portion of the Coronal Mass Ejection (CME) sweeping past the spacecraft. The Bz has been tilting sharply south at times and a Strong G3 Level Geomagnetic Storm is now in progress. If it is dark outside and you are high in latitude, be on the lookout for visible Aurora. Stay tuned to SolarHam.com for all of the latest updates.

WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2011 Sep 26 1715 UTC
Valid To: 2011 Sep 26 2100 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater – Strong to Extreme


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