Space Environment Warning
Issued by NWS

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WOXX13 KWNP 200355

Space Weather Message Code: WARK04
Serial Number: 3326
Issue Time: 2017 Sep 20 0353 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2017 Sep 20 0352 UTC
Valid To: 2017 Sep 20 1200 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
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