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A burst of radiation on the sun's surface may trigger a geomagnetic storm, which can disrupt satellite communications.
In order to prevent unnecessary maintenance on satellite communications systems Air Sat One has provided a feed of Geophysical Events from NOAA's Space Weather Prediction Center. Check here to see if solar activity could be a cause of satellite communications problems.
Geophysical Alert Message Issued: Sep 6th, 2026 8:12:15 am
Space Weather Message Code: WATA20
- Serial Number: 1122
- Issue Time: 2026 Sep 06 1212 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Sep 06: None (Below G1) Sep 07: None (Below G1) Sep 08: G1 (Minor)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment:
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential 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.
Geophysical Alert Message Issued: Sep 6th, 2026 7:55:17 am
Space Weather Message Code: SUMPX1
- Serial Number: 134
- Issue Time: 2026 Sep 06 1155 UTC
- SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu
- Begin Time: 2026 Sep 05 1615 UTC
- Maximum Time: 2026 Sep 05 1645 UTC
- End Time: 2026 Sep 05 2135 UTC
- Maximum 10MeV Flux: 18 pfu
- Noaa Scale: S1 - Minor
- Comment:
- NOAA Scale: S1 - Minor
Geophysical Alert Message Issued: Sep 5th, 2026 7:58:16 pm
Space Weather Message Code: WARPX1
- Serial Number: 632
- Issue Time: 2026 Sep 05 2358 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 631
- Valid From: 2026 Sep 05 1620 UTC
- Now Valid Until: 2026 Sep 06 1200 UTC
- Warning Condition: Persistence
- NOAA Scale: S1 - Minor
Geophysical Alert Message Issued: Sep 5th, 2026 7:39:23 pm
Space Weather Message Code: WARPC0
- Serial Number: 124
- Issue Time: 2026 Sep 05 2339 UTC
- CANCEL WARNING: Proton 100MeV Integral Flux above 1pfu expected
- Cancel Serial Number: 123
- Original Issue Time: 2026 Sep 05 1555 UTC
- Conditions for this Warning are no longer present.
Geophysical Alert Message Issued: Sep 5th, 2026 7:41:18 pm
Space Weather Message Code: SUMPC0
- Serial Number: 41
- Issue Time: 2026 Sep 05 2341 UTC
- SUMMARY: Proton Event 100MeV Integral Flux exceeded 1pfu
- Begin Time: 2026 Sep 05 1545 UTC
- Maximum Time: 2026 Sep 05 1550 UTC
- End Time: 2026 Sep 05 1615 UTC
- Maximum 100MeV Flux: 1 pfu
- Comment:
Geophysical Alert Message Issued: Sep 5th, 2026 12:33:07 pm
Space Weather Message Code: ALTPX1
- Serial Number: 368
- Issue Time: 2026 Sep 05 1633 UTC
- ALERT: Proton Event 10meV Integral Flux exceeded 10pfu
- Begin Time: 2026 Sep 05 1615 UTC
- Noaa Scale: S1 - Minor
- Comment:
- NOAA Scale: S1 - Minor
Geophysical Alert Message Issued: Sep 5th, 2026 12:20:40 pm
Space Weather Message Code: WARPX1
- Serial Number: 631
- Issue Time: 2026 Sep 05 1620 UTC
- WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Valid From: 2026 Sep 05 1620 UTC
- Valid To: 2026 Sep 05 2359 UTC
- Warning Conditions: Onset
- Noaa Scale: S1 - Minor
- Comment:
- NOAA Scale: S1 - Minor
Geophysical Alert Message Issued: Sep 5th, 2026 11:55:21 am
Space Weather Message Code: WARPC0
- Serial Number: 123
- Issue Time: 2026 Sep 05 1555 UTC
- WARNING: Proton 100MeV Integral Flux above 1pfu expected
- Valid From: 2026 Sep 05 1554 UTC
- Valid To: 2026 Sep 05 2359 UTC
- Warning Conditions: Onset
- Comment:
Geophysical Alert Message Issued: Sep 5th, 2026 11:56:20 am
Space Weather Message Code: ALTPC0
- Serial Number: 58
- Issue Time: 2026 Sep 05 1556 UTC
- ALERT: Proton Event 100MeV Integral Flux exceeded 1pfu
- Begin Time: 2026 Sep 05 1552 UTC
- Comment:
Geophysical Alert Message Issued: Sep 4th, 2026 4:06:40 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1528
- Issue Time: 2026 Sep 04 2006 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Sep 04 1922 UTC
- Estimate Velocity: 698 km/s
- Comment:


