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726
WOXX13 KWNP 212040
ALTK04

Space Weather Message Code: ALTK04
Serial Number: 1748
Issue Time: 2014 Dec 21 2035 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2014 Dec 21 2035 UTC
Synoptic Period: 1800-2100 UTC
Active Warning: Yes
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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