WARNING: Geomagnetic Sudden Impulse expected

Space Weather Message Code: WARSUD
Serial Number: 184
Issue Time: 2021 Oct 12 0155 UTC

WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2021 Oct 12 0215 UTC
Valid To: 2021 Oct 12 0315 UTC
IP Shock Passage Observed: 2021 Oct 12 0147 UTC

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

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