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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: Jan 14th, 2026 6:14:25 pm
Space Weather Message Code: WATA20
- Serial Number: 1088
- Issue Time: 2026 Jan 14 2314 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Jan 15: None (Below G1) Jan 16: None (Below G1) Jan 17: G1 (Minor)
- 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: Jan 13th, 2026 11:59:38 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3600
- Issue Time: 2026 Jan 14 0459 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3599
- Begin Time: 2026 Jan 12 1040 UTC
- Yesterday Maximum 2MeV Flux: 3575 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 13th, 2026 12:55:13 am
Space Weather Message Code: WARK04
- Serial Number: 5220
- Issue Time: 2026 Jan 13 0555 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5219
- Valid From: 2026 Jan 12 2245 UTC
- Now Valid Until: 2026 Jan 13 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: Jan 12th, 2026 11:59:47 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3599
- Issue Time: 2026 Jan 13 0459 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3598
- Begin Time: 2026 Jan 12 1040 UTC
- Yesterday Maximum 2MeV Flux: 2992 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 12th, 2026 5:56:01 pm
Space Weather Message Code: WARK04
- Serial Number: 5219
- Issue Time: 2026 Jan 12 2256 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Jan 12 2245 UTC
- Valid To: 2026 Jan 13 0600 UTC
- Warning Condition: Onset
- Comment: Re-issue of Warning from 12/2245 UTC for bookkeeping purposes.
- 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: Jan 12th, 2026 5:45:17 pm
Space Weather Message Code: WARK05
- Serial Number: 2171
- Issue Time: 2026 Jan 12 2245 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Jan 12 2245 UTC
- Valid To: 2026 Jan 13 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: Jan 12th, 2026 6:01:57 am
Space Weather Message Code: ALTEF3
- Serial Number: 3598
- Issue Time: 2026 Jan 12 1101 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2026 Jan 12 1040 UTC
- Station: GOES-19
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 12th, 2026 4:02:47 am
Space Weather Message Code: WARK04
- Serial Number: 5218
- Issue Time: 2026 Jan 12 0902 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5217
- Valid From: 2026 Jan 10 0732 UTC
- Now Valid Until: 2026 Jan 12 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: Jan 11th, 2026 2:19:23 pm
Space Weather Message Code: WARK05
- Serial Number: 2170
- Issue Time: 2026 Jan 11 1919 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2169
- Valid From: 2026 Jan 11 1419 UTC
- Now Valid Until: 2026 Jan 12 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 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: Jan 11th, 2026 2:09:28 pm
Space Weather Message Code: ALTK05
- Serial Number: 1942
- Issue Time: 2026 Jan 11 1909 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Jan 11 1909 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.
