Space Environment Warning
Issued by NWS
WOXX11 KWNP 121901
Space Weather Message Code: WARK05
Serial Number: 940
Issue Time: 2014 Dec 12 1858 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 939
Valid From: 2014 Dec 12 1304 UTC
Now Valid Until: 2014 Dec 13 1300 UTC
Warning Condition: Persistence
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.
# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
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