Space Weather Message Code: WARK07
Serial Number: 37
Issue Time: 2012 Apr 24 0204 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2012 Apr 24 0205 UTC
Valid To: 2012 Apr 24 0600 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater - Strong to Extreme
NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales
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.
- SpaceRef
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