Local 3/13/2026, 1:57:16 AM
UTC 2026-03-13T01:57:16.973Z
Space Weather Message Code: WARK04Serial Number: 5283Issue Time: 2026 Mar 13 0157 UTCWARNING: Geomagnetic K-index of 4 expectedValid From: 2026 Mar 13 0156 UTCValid To: 2026 Mar 13 2359 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 3/12/2026, 11:47:08 AM
UTC 2026-03-12T11:47:08.050Z
Space Weather Message Code: ALTEF3Serial Number: 3645Issue Time: 2026 Mar 12 1147 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfuContinuation of Serial Number: 3644Begin Time: 2026 Mar 08 1510 UTCYesterday Maximum 2MeV Flux: 2076 pfuPotential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Local 3/11/2026, 9:52:25 PM
UTC 2026-03-11T21:52:25.427Z
Space Weather Message Code: WATA20Serial Number: 1100Issue Time: 2026 Mar 11 2152 UTCWATCH: Geomagnetic Storm Category G1 PredictedHighest Storm Level Predicted by Day:Mar 12: None (Below G1) Mar 13: G1 (Minor) Mar 14: G1 (Minor)THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECTNOAA 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.
Local 3/11/2026, 10:04:06 AM
UTC 2026-03-11T10:04:06.967Z
Space Weather Message Code: ALTEF3Serial Number: 3644Issue Time: 2026 Mar 11 1004 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfuContinuation of Serial Number: 3643Begin Time: 2026 Mar 08 1510 UTCYesterday Maximum 2MeV Flux: 1726 pfuPotential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.