Space Environment Warning
Issued by NWS
WOXX13 KWNP 181746
Space Weather Message Code: WARK04
Serial Number: 3113
Issue Time: 2017 Jan 18 1741 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3112
Valid From: 2017 Jan 18 0955 UTC
Now Valid Until: 2017 Jan 19 0600 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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