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887
WOXX13 KWNP 211435
WARK04

Space Weather Message Code: WARK04
Serial Number: 2409
Issue Time: 2014 Dec 21 1432 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Dec 21 1431 UTC
Valid To: 2014 Dec 22 1900 UTC
Warning Condition: Onset
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
# Send questions to SWPC.Webmaster@noaa.gov



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