Space Weather Message Code: WARK07
Serial Number: 64
Issue Time: 2016 Mar 06 2245 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2016 Mar 06 2243 UTC
Valid To: 2016 Mar 07 0500 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater – Strong to Extreme
NOAA Space Weather Scale descriptions can be found at
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.
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