Space Environment Warning
Issued by NWS

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WOXX11 KWNP 212245

Space Weather Message Code: WARK05
Serial Number: 1442
Issue Time: 2017 Nov 21 2242 UTC

CANCEL WARNING: Geomagnetic K-index of 5 expected
Cancel Serial Number: 1441
Original Issue Time: 2017 Nov 21 0434 UTC

Comment: G1 Warrning extension issued by mistake.
Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.

# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
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