NOAA SWPC WARNING: Geomagnetic K-index of 7 or greater (G3 or Greater) – Strong to Extreme
Space Weather Message Code: WARK07
Serial Number: 33
Issue Time: 2011 Sep 26 1708 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2011 Sep 26 1715 UTC
Valid To: 2011 Sep 26 2100 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
