Local 1/27/2026, 4:59:28 AM
UTC 2026-01-27T04:59:28.947Z
Space Weather Message Code: ALTEF3Serial Number: 3612Issue Time: 2026 Jan 27 0459 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfuContinuation of Serial Number: 3611Begin Time: 2026 Jan 21 0950 UTCYesterday Maximum 2MeV Flux: 8394 pfuPotential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Local 1/26/2026, 9:06:39 AM
UTC 2026-01-26T09:06:39.720Z
Space Weather Message Code: WATA20Serial Number: 1091Issue Time: 2026 Jan 26 0906 UTCWATCH: Geomagnetic Storm Category G1 PredictedHighest Storm Level Predicted by Day:Jan 27: None (Below G1) Jan 28: G1 (Minor) Jan 29: None (Below G1)THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECTComment: Negative polarity CH influences will likely lead to isolated G1 (Minor) geomanetic storming periods on 28 Jan.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.
Local 1/26/2026, 5:01:48 AM
UTC 2026-01-26T05:01:48.063Z
Space Weather Message Code: ALTEF3Serial Number: 3611Issue Time: 2026 Jan 26 0501 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfuContinuation of Serial Number: 3610Begin Time: 2026 Jan 21 0950 UTCYesterday Maximum 2MeV Flux: 6155 pfuPotential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Local 1/25/2026, 5:54:39 PM
UTC 2026-01-25T17:54:39.770Z
Space Weather Message Code: WARK04Serial Number: 5239Issue Time: 2026 Jan 25 1754 UTCEXTENDED WARNING: Geomagnetic K-index of 4 expectedExtension to Serial Number: 5238Valid From: 2026 Jan 25 0245 UTCNow Valid Until: 2026 Jan 26 0300 UTCWarning Condition: PersistenceNOAA 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.