Space Weather Message Code: SUMSUD
Serial Number: 186
Issue Time: 2014 Feb 15 1326 UTC
SUMMARY: Geomagnetic Sudden Impulse
Observed: 2014 Feb 15 1311 UTC
Deviation: 23 nT
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2014 Feb 15 1323 UTC
Valid To: 2014 Feb 16 0100 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.