Space Environment Warning
Issued by NWS
WOXX13 KWNP 180305
Space Weather Message Code: WARK04
Serial Number: 2082
Issue Time: 2013 May 18 0302 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 2081
Valid From: 2013 May 18 0100 UTC
Now Valid Until: 2013 May 18 1200 UTC
Warning Condition: Persistence
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
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