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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: WARK04
- Serial Number: 5263
- Issue Time: 2026 Feb 19 0855 UTC
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- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5262
- Valid From: 2026 Feb 19 0205 UTC
- Now Valid Until: 2026 Feb 19 1800 UTC
- Warning Condition: Onset
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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: 5262
- Issue Time: 2026 Feb 19 0205 UTC
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- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Feb 19 0205 UTC
- Valid To: 2026 Feb 19 0900 UTC
- Warning Condition: Onset
-
- 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: ALTEF3
- Serial Number: 3629
- Issue Time: 2026 Feb 18 0527 UTC
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- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3628
- Begin Time: 2026 Feb 16 1635 UTC
- Yesterday Maximum 2MeV Flux: 2215 pfu
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- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Space Weather Message Code: ALTTP2
- Serial Number: 1467
- Issue Time: 2026 Feb 18 0452 UTC
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- ALERT: Type II Radio Emission
- Begin Time: 2026 Feb 18 0431 UTC
- Estimated Velocity: 310 km/s
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- Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
Space Weather Message Code: ALTEF3
- Serial Number: 3628
- Issue Time: 2026 Feb 17 1318 UTC
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- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3627
- Begin Time: 2026 Feb 16 1635 UTC
- Yesterday Maximum 2MeV Flux: 1518 pfu
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- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
