Local 2/20/2026, 7:16:23 AM
UTC 2026-02-20T07:16:23.497Z
Space Weather Message Code: ALTEF3Serial Number: 3631Issue Time: 2026 Feb 20 0716 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfuContinuation of Serial Number: 3630Begin Time: 2026 Feb 16 1635 UTCYesterday Maximum 2MeV Flux: 3261 pfuPotential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Local 2/19/2026, 12:06:19 PM
UTC 2026-02-19T12:06:19.150Z
Space Weather Message Code: ALTEF3Serial Number: 3630Issue Time: 2026 Feb 19 1206 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfuContinuation of Serial Number: 3629Begin Time: 2026 Feb 16 1635 UTCYesterday Maximum 2MeV Flux: 3801 pfuPotential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Local 2/19/2026, 8:55:46 AM
UTC 2026-02-19T08:55:46.793Z
Space Weather Message Code: WARK04Serial Number: 5263Issue Time: 2026 Feb 19 0855 UTCEXTENDED WARNING: Geomagnetic K-index of 4 expectedExtension to Serial Number: 5262Valid From: 2026 Feb 19 0205 UTCNow Valid Until: 2026 Feb 19 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 2/19/2026, 2:05:50 AM
UTC 2026-02-19T02:05:50.600Z
Space Weather Message Code: WARK04Serial Number: 5262Issue Time: 2026 Feb 19 0205 UTCWARNING: Geomagnetic K-index of 4 expectedValid From: 2026 Feb 19 0205 UTCValid To: 2026 Feb 19 0900 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.