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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: Feb 16th, 2025 11:44:40 pm
Space Weather Message Code: WARK04
- Serial Number: 4839
- Issue Time: 2025 Feb 17 0444 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4838
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 17 1200 UTC
- Warning Condition: Persistence
- 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.
Geophysical Alert Message Issued: Feb 16th, 2025 10:47:16 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3425
- Issue Time: 2025 Feb 17 0347 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3424
- Begin Time: 2025 Feb 11 1405 UTC
- Yesterday Maximum 2MeV Flux: 3934 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 16th, 2025 3:20:10 pm
Space Weather Message Code: WARK04
- Serial Number: 4838
- Issue Time: 2025 Feb 16 2020 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4837
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 17 0600 UTC
- Warning Condition: Persistence
- 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.
Geophysical Alert Message Issued: Feb 16th, 2025 9:22:13 am
Space Weather Message Code: WARK04
- Serial Number: 4837
- Issue Time: 2025 Feb 16 1422 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4836
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 16 2359 UTC
- Warning Condition: Persistence
- 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.
Geophysical Alert Message Issued: Feb 15th, 2025 11:37:31 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3424
- Issue Time: 2025 Feb 16 0437 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3423
- Begin Time: 2025 Feb 11 1405 UTC
- Yesterday Maximum 2MeV Flux: 4741 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 15th, 2025 11:18:39 pm
Space Weather Message Code: WARK04
- Serial Number: 4836
- Issue Time: 2025 Feb 16 0418 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4835
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 16 1500 UTC
- Warning Condition: Persistence
- 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.
Geophysical Alert Message Issued: Feb 15th, 2025 4:15:33 pm
Space Weather Message Code: WATA20
- Serial Number: 1030
- Issue Time: 2025 Feb 15 2115 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Feb 16: G1 (Minor) Feb 17: None (Below G1) Feb 18: None (Below G1)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- 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.
Geophysical Alert Message Issued: Feb 15th, 2025 1:22:09 pm
Space Weather Message Code: ALTK05
- Serial Number: 1697
- Issue Time: 2025 Feb 15 1822 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Feb 15 1759 UTC
- Synoptic Period: 1800-2100 UTC
- Active Warning: Yes
- NOAA Scale: G1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- 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.
Geophysical Alert Message Issued: Feb 15th, 2025 12:32:24 pm
Space Weather Message Code: WARK04
- Serial Number: 4835
- Issue Time: 2025 Feb 15 1732 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4834
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 16 0600 UTC
- Warning Condition: Persistence
- 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.
Geophysical Alert Message Issued: Feb 15th, 2025 12:33:24 pm
Space Weather Message Code: WARK05
- Serial Number: 1974
- Issue Time: 2025 Feb 15 1733 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 1973
- Valid From: 2025 Feb 15 1015 UTC
- Now Valid Until: 2025 Feb 15 2359 UTC
- Warning Condition: Persistence
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- 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.
