Space Weather Message Code: WARSUD Serial Number: 142 Issue Time: 2013 Dec 13 1236 UTC
WARNING: Geomagnetic Sudden Impulse expected Valid From: 2013 Dec 13 1315 UTC Valid To: 2013 Dec 13 1345 UTC IP Shock Passage Observed: 2013 Dec 13 1209 UTC NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales
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