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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: ALTK04
- Serial Number: 2537
- Issue Time: 2025 Mar 21 1731 UTC
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- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Mar 21 1730 UTC
- Synoptic Period: 1500-1800 UTC
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- Active Warning: Yes
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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: WARK05
- Serial Number: 1996
- Issue Time: 2025 Mar 21 1733 UTC
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- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Mar 21 1732 UTC
- Valid To: 2025 Mar 22 0900 UTC
- Warning Condition: Onset
- NOAA Scale: G1 - Minor
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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: WARK04
- Serial Number: 4881
- Issue Time: 2025 Mar 21 1712 UTC
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- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2025 Mar 21 1715 UTC
- Valid To: 2025 Mar 22 0900 UTC
- Warning Condition: Onset
-
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
-
- 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: ALTTP2
- Serial Number: 1407
- Issue Time: 2025 Mar 21 1612 UTC
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- ALERT: Type II Radio Emission
- Begin Time: 2025 Mar 21 1557 UTC
- Estimated Velocity: 242 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.
