Space Environment Warning
Issued by NWS
WOXX14 KWNP 251351
Space Weather Message Code: WARK07
Serial Number: 68
Issue Time: 2016 Oct 25 1345 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2016 Oct 25 1345 UTC
Valid To: 2016 Oct 25 1800 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
# Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Recent messages, data, and help at http://swpc.noaa.gov/alerts/
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