Communicating with server...
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: Nov 28th, 2025 3:58:16 am
Space Weather Message Code: WARK04
- Serial Number: 5166
- Issue Time: 2025 Nov 28 0858 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5165
- Valid From: 2025 Nov 24 0226 UTC
- Now Valid Until: 2025 Nov 28 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 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: Nov 27th, 2025 11:59:45 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3565
- Issue Time: 2025 Nov 28 0459 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3564
- Begin Time: 2025 Nov 25 1450 UTC
- Yesterday Maximum 2MeV Flux: 8297 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Nov 27th, 2025 4:18:21 pm
Space Weather Message Code: WARK04
- Serial Number: 5165
- Issue Time: 2025 Nov 27 2118 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5164
- Valid From: 2025 Nov 24 0226 UTC
- Now Valid Until: 2025 Nov 28 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: Nov 27th, 2025 4:09:32 pm
Space Weather Message Code: WARK05
- Serial Number: 2144
- Issue Time: 2025 Nov 27 2109 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2143
- Valid From: 2025 Nov 27 1108 UTC
- Now Valid Until: 2025 Nov 28 0900 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 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: Nov 27th, 2025 4:11:07 pm
Space Weather Message Code: ALTK05
- Serial Number: 1919
- Issue Time: 2025 Nov 27 2111 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Nov 27 2055 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: Nov 27th, 2025 7:05:04 am
Space Weather Message Code: ALTK05
- Serial Number: 1918
- Issue Time: 2025 Nov 27 1205 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Nov 27 1159 UTC
- Synoptic Period: 1200-1500 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: Nov 27th, 2025 6:09:44 am
Space Weather Message Code: WARK04
- Serial Number: 5164
- Issue Time: 2025 Nov 27 1109 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5163
- Valid From: 2025 Nov 24 0226 UTC
- Now Valid Until: 2025 Nov 27 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: Nov 27th, 2025 6:10:59 am
Space Weather Message Code: WARK05
- Serial Number: 2143
- Issue Time: 2025 Nov 27 1110 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Nov 27 1108 UTC
- Valid To: 2025 Nov 27 1800 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: Nov 27th, 2025 5:38:32 am
Space Weather Message Code: WARK04
- Serial Number: 5163
- Issue Time: 2025 Nov 27 1038 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5162
- Valid From: 2025 Nov 24 0226 UTC
- Now Valid Until: 2025 Nov 27 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 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: Nov 27th, 2025 12:00:02 am
Space Weather Message Code: ALTEF3
- Serial Number: 3564
- Issue Time: 2025 Nov 27 0500 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3563
- Begin Time: 2025 Nov 25 1450 UTC
- Yesterday Maximum 2MeV Flux: 10064 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
