Space Environment Warning
Issued by NWS
WOXX13 KWNP 201921
Space Weather Message Code: WARK04
Serial Number: 3140
Issue Time: 2017 Feb 20 1915 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Feb 20 1914 UTC
Valid To: 2017 Feb 20 2359 UTC
Warning Condition: Onset
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