The ACE Spacecraft detected a solar wind increase to near 600 km/s and the Bz is currently tipped sharply south. This is most likely the expected CME arriving earlier than expected. A minor G1 level geomagnetic storm is now in progress. Be on the lookout for visible aurora tonight. ALERT: Geomagnetic K-index of 5 Threshold Reached: 2013 Oct 02 0200 UTC Synoptic Period: 0000-0300 UTC Active Warning: Yes NOAA Scale: G1 - Minor Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Posted on: Wed, 02 Oct 2013 03:39:07 +0000
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