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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 16th, 2026 5:57:40 pm
Space Weather Message Code: ALTK05
- Serial Number: 1944
- Issue Time: 2026 Jan 16 2257 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Jan 16 2255 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: Jan 16th, 2026 3:41:00 pm
Space Weather Message Code: WARK05
- Serial Number: 2172
- Issue Time: 2026 Jan 16 2041 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2171
- Valid From: 2026 Jan 16 1525 UTC
- Now Valid Until: 2026 Jan 17 0300 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 16th, 2026 3:41:01 pm
Space Weather Message Code: WARK04
- Serial Number: 5222
- Issue Time: 2026 Jan 16 2041 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5221
- Valid From: 2026 Jan 16 0254 UTC
- Now Valid Until: 2026 Jan 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: Jan 16th, 2026 11:26:41 am
Space Weather Message Code: ALTK05
- Serial Number: 1943
- Issue Time: 2026 Jan 16 1626 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Jan 16 1626 UTC
- Synoptic Period: 1500-1800 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: Jan 16th, 2026 10:23:52 am
Space Weather Message Code: WARK05
- Serial Number: 2171
- Issue Time: 2026 Jan 16 1523 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Jan 16 1525 UTC
- Valid To: 2026 Jan 16 2100 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 16th, 2026 7:27:56 am
Space Weather Message Code: ALTEF3
- Serial Number: 3602
- Issue Time: 2026 Jan 16 1227 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3601
- Begin Time: 2026 Jan 12 1040 UTC
- Yesterday Maximum 2MeV Flux: 9014 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 16th, 2026 12:15:38 am
Space Weather Message Code: ALTK04
- Serial Number: 2624
- Issue Time: 2026 Jan 16 0515 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2026 Jan 16 0515 UTC
- Synoptic Period: 0300-0600 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: Jan 15th, 2026 9:54:38 pm
Space Weather Message Code: WARK04
- Serial Number: 5221
- Issue Time: 2026 Jan 16 0254 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Jan 16 0254 UTC
- Valid To: 2026 Jan 16 2359 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.
Geophysical Alert Message Issued: Jan 15th, 2026 3:55:00 pm
Space Weather Message Code: WATA20
- Serial Number: 1089
- Issue Time: 2026 Jan 15 2055 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Jan 16: None (Below G1) Jan 17: G1 (Minor) Jan 18: 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 14th, 2026 11:59:17 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3601
- Issue Time: 2026 Jan 15 0459 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3600
- Begin Time: 2026 Jan 12 1040 UTC
- Yesterday Maximum 2MeV Flux: 9399 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
