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Having SatCom problems?
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: Aug 28th, 2025 7:29:56 am
Space Weather Message Code: SUMPX1
- Serial Number: 124
- Issue Time: 2025 Aug 28 1129 UTC
- SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu
- Begin Time: 2025 Aug 25 1355 UTC
- Maximum Time: 2025 Aug 27 0740 UTC
- End Time: 2025 Aug 27 1510 UTC
- Maximum 10MeV Flux: 13 pfu
- NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
Geophysical Alert Message Issued: Aug 27th, 2025 4:48:08 am
Space Weather Message Code: WARPX1
- Serial Number: 609
- Issue Time: 2025 Aug 27 0848 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 608
- Valid From: 2025 Aug 24 2340 UTC
- Now Valid Until: 2025 Aug 27 2359 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Aug 26th, 2025 12:46:54 pm
Space Weather Message Code: WARPX1
- Serial Number: 608
- Issue Time: 2025 Aug 26 1646 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 607
- Valid From: 2025 Aug 24 2340 UTC
- Now Valid Until: 2025 Aug 27 0900 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Aug 26th, 2025 7:26:39 am
Space Weather Message Code: WARPX1
- Serial Number: 607
- Issue Time: 2025 Aug 26 1126 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 606
- Valid From: 2025 Aug 24 2340 UTC
- Now Valid Until: 2025 Aug 26 2359 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Aug 25th, 2025 3:24:25 pm
Space Weather Message Code: WARPX1
- Serial Number: 606
- Issue Time: 2025 Aug 25 1924 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 605
- Valid From: 2025 Aug 24 2340 UTC
- Now Valid Until: 2025 Aug 26 1200 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S1 - Minor
- Comment: The greater than 10MeV proton flux continues to be at or near the 10 pfu threshold.
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Aug 25th, 2025 10:15:12 am
Space Weather Message Code: ALTPX1
- Serial Number: 359
- Issue Time: 2025 Aug 25 1415 UTC
- ALERT: Proton Event 10MeV Integral Flux exceeded 10pfu
- Begin Time: 2025 Aug 25 1355 UTC
- NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Aug 25th, 2025 8:52:24 am
Space Weather Message Code: ALTEF3
- Serial Number: 3521
- Issue Time: 2025 Aug 25 1252 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3520
- Begin Time: 2025 Aug 24 1620 UTC
- Yesterday Maximum 2MeV Flux: 1496 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Aug 25th, 2025 7:39:22 am
Space Weather Message Code: WARPX1
- Serial Number: 605
- Issue Time: 2025 Aug 25 1139 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 604
- Valid From: 2025 Aug 24 2340 UTC
- Now Valid Until: 2025 Aug 25 2359 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Aug 24th, 2025 7:39:42 pm
Space Weather Message Code: WARPX1
- Serial Number: 604
- Issue Time: 2025 Aug 24 2339 UTC
- WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Valid From: 2025 Aug 24 2340 UTC
- Valid To: 2025 Aug 25 1200 UTC
- Warning Condition: Onset
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Aug 24th, 2025 12:39:08 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3520
- Issue Time: 2025 Aug 24 1639 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2025 Aug 24 1620 UTC
- Station: GOES19
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
