Local 3/7/2026, 2:06:35 AM
UTC 2026-03-07T02:06:35.610Z
Space Weather Message Code: ALTK04Serial Number: 2638Issue Time: 2026 Mar 07 0206 UTCALERT: Geomagnetic K-index of 4Threshold Reached: 2026 Mar 07 0206 UTCSynoptic Period: 0000-0300 UTCActive Warning: YesNOAA Space Weather Scale descriptions can be found atwww.swpc.noaa.gov/noaa-scales-explanationPotential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.Induced Currents - Weak power grid fluctuations can occur.Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Local 3/7/2026, 12:26:29 AM
UTC 2026-03-07T00:26:29.703Z
Space Weather Message Code: WARK04Serial Number: 5277Issue Time: 2026 Mar 07 0026 UTCWARNING: Geomagnetic K-index of 4 expectedValid From: 2026 Mar 07 0025 UTCValid To: 2026 Mar 07 1800 UTCWarning Condition: OnsetNOAA Space Weather Scale descriptions can be found atwww.swpc.noaa.gov/noaa-scales-explanationPotential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.Induced Currents - Weak power grid fluctuations can occur.Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Local 3/6/2026, 5:53:00 PM
UTC 2026-03-06T17:53:00.083Z
Space Weather Message Code: WATA20Serial Number: 1099Issue Time: 2026 Mar 06 1752 UTCCANCEL WATCH: Geomagnetic Storm Category G1 PredictedCancel Serial Number: 1098Original Issue Time: 2026 Mar 03 2305 UTCComment: G1 (Minor) geomagnetic storms are no longer expected.NOAA Space Weather Scale descriptions can be found atwww.swpc.noaa.gov/noaa-scales-explanationPotential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.Induced Currents - Weak power grid fluctuations can occur.Spacecraft - Minor impact on satellite operations possible.Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.