Sunday, December 21, 2014

WARNING: Geomagnetic Sudden Impulse expected

Space Weather Message Code: WARSUD Serial Number: 157 Issue Time: 2014 Dec 21 1833 UTC

Valid From: 2014 Dec 21 1848 UTC Valid To: 2014 Dec 21 1948 UTC IP Shock Passage Observed: 2014 Dec 21 1824 UTC

NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation

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