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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: 3419
- Issue Time: 2025 Feb 11 1421 UTC
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- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2025 Feb 11 1405 UTC
- Station: GOES16
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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: 4828
- Issue Time: 2025 Feb 11 1134 UTC
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- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4827
- Valid From: 2025 Feb 09 1430 UTC
- Now Valid Until: 2025 Feb 12 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.
Space Weather Message Code: WARK04
- Serial Number: 4827
- Issue Time: 2025 Feb 10 2336 UTC
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- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4826
- Valid From: 2025 Feb 09 1430 UTC
- Now Valid Until: 2025 Feb 11 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.
Space Weather Message Code: WATA20
- Serial Number: 1027
- Issue Time: 2025 Feb 10 2205 UTC
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- WATCH: Geomagnetic Storm Category G1 Predicted
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- Highest Storm Level Predicted by Day:
- Feb 11: None (Below G1) Feb 12: None (Below G1) Feb 13: 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.
