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#1
May 10th 12, 01:02 AM
posted to sci.astro.amateur
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EXTENDED WARNING: Geomagnetic K-index of 5 expected -- Issue Time:2012 May 09 2355 UTC
Space Weather Message Code: WARK05
Serial Number: 774 Issue Time: 2012 May 09 2355 UTC EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 773 Valid From: 2012 May 09 2053 UTC Now Valid Until: 2012 May 10 0300 UTC Warning Condition: Persistence NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales 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. 
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