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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.
Space Weather Message Code: ALTEF3
- Serial Number: 3462
- Issue Time: 2025 May 08 0459 UTC
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- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3461
- Begin Time: 2025 May 02 1330 UTC
- Yesterday Maximum 2MeV Flux: 12994 pfu
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- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Space Weather Message Code: WATA20
- Serial Number: 1039
- Issue Time: 2025 May 07 1147 UTC
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- WATCH: Geomagnetic Storm Category G1 Predicted
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- Highest Storm Level Predicted by Day:
- May 07: None (Below G1) May 08: None (Below G1) May 09: G1 (Minor)
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- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
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- 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.
Space Weather Message Code: ALTEF3
- Serial Number: 3461
- Issue Time: 2025 May 07 0459 UTC
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- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3460
- Begin Time: 2025 May 02 1330 UTC
- Yesterday Maximum 2MeV Flux: 11876 pfu
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- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Space Weather Message Code: WARK04
- Serial Number: 4956
- Issue Time: 2025 May 06 2346 UTC
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- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4955
- Valid From: 2025 May 01 0343 UTC
- Now Valid Until: 2025 May 07 1200 UTC
- Warning Condition: Persistence
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- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
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- Potential 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.
