Space Weather Message Code: WARSUD
Serial Number: 217
Issue Time: 2023 Dec 01 0013 UTC

WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2023 Dec 01 0030 UTC
Valid To: 2023 Dec 01 0130 UTC
IP Shock Passage Observed: 2023 Dec 01 0000 UTC

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