Local 9/30/2026, 10:04:50 AM
UTC 2026-09-30T10:04:50.050Z
Space Weather Message Code: ALTEF3Serial Number: 3749Issue Time: 2026 Sep 30 1004 UTCALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Sep 30 0945 UTC Station: GOES-19 Comment: Yesterday's max flux of 5,622 pfu at 29/1620 UTC.
Local 9/30/2026, 3:39:25 AM
UTC 2026-09-30T03:39:25.207Z
Space Weather Message Code: ALTTP4Serial Number: 718Issue Time: 2026 Sep 30 0339 UTCALERT: Type IV Radio Emission Begin Time: 2026 Sep 30 0256 UTC Comment: Observed by PAL
Local 9/30/2026, 3:38:29 AM
UTC 2026-09-30T03:38:29.203Z
Space Weather Message Code: ALTTP2Serial Number: 1529Issue Time: 2026 Sep 30 0338 UTCALERT: Type II Radio Emission Begin Time: 2026 Sep 30 0252 UTC Estimate Velocity: 523 km/s Comment: observed by PAL
Local 9/29/2026, 1:01:59 PM
UTC 2026-09-29T13:01:59.807Z
Space Weather Message Code: WATA20Serial Number: 1127Issue Time: 2026 Sep 29 1301 UTCWATCH: Geomagnetic Storm Category G1 Predicted Highest Storm Level Predicted by Day: Sep 30: None (Below G1) Oct 01: None (Below G1) Oct 02: G1 (Minor) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT Comment: 28 Sep CME inboundNOAA 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 9/29/2026, 5:02:02 AM
UTC 2026-09-29T05:02:02.247Z
Space Weather Message Code: ALTEF3Serial Number: 3748Issue Time: 2026 Sep 29 0502 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3747 Begin Time: 2026 Sep 26 1535 UTC Yesterday Maximum 2MeV Flux: 4128 pfu Max time: 2026 Sep 28 1440 UTC