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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 18th, 2025 5:36:29 pm
Space Weather Message Code: ALTK04
- Serial Number: 2527
- Issue Time: 2025 Feb 18 2236 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Feb 18 2236 UTC
- Synoptic Period: 2100-2400 UTC
- Active Warning: Yes
- 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 18th, 2025 3:55:06 am
Space Weather Message Code: WARK04
- Serial Number: 4842
- Issue Time: 2025 Feb 18 0855 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4841
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 18 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 17th, 2025 6:47:54 pm
Space Weather Message Code: WARK04
- Serial Number: 4841
- Issue Time: 2025 Feb 17 2347 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4840
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 18 0900 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 17th, 2025 6:24:29 am
Space Weather Message Code: WARK04
- Serial Number: 4840
- Issue Time: 2025 Feb 17 1124 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4839
- Valid From: 2025 Feb 13 0527 UTC
- Now Valid Until: 2025 Feb 17 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 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.
