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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 23rd, 2026 4:39:45 pm
Space Weather Message Code: WARK05
- Serial Number: 2200
- Issue Time: 2026 Feb 23 2139 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Feb 23 2140 UTC
- Valid To: 2026 Feb 24 0600 UTC
- Warning Condition: Onset
- 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 23rd, 2026 6:34:57 am
Space Weather Message Code: ALTEF3
- Serial Number: 3632
- Issue Time: 2026 Feb 23 1134 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2026 Feb 23 1045 UTC
- Station: GOES19
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 23rd, 2026 12:56:31 am
Space Weather Message Code: WARK04
- Serial Number: 5268
- Issue Time: 2026 Feb 23 0556 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5267
- Valid From: 2026 Feb 21 2230 UTC
- Now Valid Until: 2026 Feb 23 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 22nd, 2026 11:45:12 pm
Space Weather Message Code: ALTK05
- Serial Number: 1970
- Issue Time: 2026 Feb 23 0445 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Feb 23 0437 UTC
- Synoptic Period: 0300-0600 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 22nd, 2026 5:00:00 pm
Space Weather Message Code: WARK04
- Serial Number: 5267
- Issue Time: 2026 Feb 22 2200 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5266
- Valid From: 2026 Feb 21 2230 UTC
- Now Valid Until: 2026 Feb 23 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 22nd, 2026 5:02:32 pm
Space Weather Message Code: ALTK05
- Serial Number: 1969
- Issue Time: 2026 Feb 22 2202 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Feb 22 2202 UTC
- Synoptic Period: 2100-2400 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 22nd, 2026 4:54:57 pm
Space Weather Message Code: WARK05
- Serial Number: 2198
- Issue Time: 2026 Feb 22 2154 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Feb 22 2154 UTC
- Valid To: 2026 Feb 23 0600 UTC
- Warning Condition: Onset
- 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 22nd, 2026 3:00:36 am
Space Weather Message Code: WARK05
- Serial Number: 2197
- Issue Time: 2026 Feb 22 0800 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2196
- Valid From: 2026 Feb 22 0425 UTC
- Now Valid Until: 2026 Feb 22 1800 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.
Geophysical Alert Message Issued: Feb 22nd, 2026 2:40:56 am
Space Weather Message Code: ALTK05
- Serial Number: 1968
- Issue Time: 2026 Feb 22 0740 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Feb 22 0740 UTC
- Synoptic Period: 0600-0900 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 22nd, 2026 12:03:07 am
Space Weather Message Code: ALTK05
- Serial Number: 1967
- Issue Time: 2026 Feb 22 0503 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Feb 22 0502 UTC
- Synoptic Period: 0300-0600 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.
