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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: Nov 9th, 2026 12:55:46 pm
Space Weather Message Code: WARK04
- Serial Number: 5452
- Issue Time: 2026 Nov 09 1755 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5451
- Valid From: 2026 Nov 09 0556 UTC
- Now Valid Until: 2026 Nov 10 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: Nov 9th, 2026 5:01:44 am
Space Weather Message Code: ALTEF3
- Serial Number: 3770
- Issue Time: 2026 Nov 09 1001 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3769
- Begin Time: 2026 Nov 08 2245 UTC
- Yesterday Maximum 2MeV Flux: 1228 pfu
- Max time: 2026 Nov 08 2335 UTC
Geophysical Alert Message Issued: Nov 9th, 2026 12:56:48 am
Space Weather Message Code: WARK04
- Serial Number: 5451
- Issue Time: 2026 Nov 09 0556 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Nov 09 0556 UTC
- Valid To: 2026 Nov 09 1800 UTC
- Warning Conditions: Onset
- Comment:
- 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 8th, 2026 6:24:59 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3769
- Issue Time: 2026 Nov 08 2324 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Threshold Reached: 2026 Nov 08 2245 UTC
- Station: GOES-19
- Comment:
Geophysical Alert Message Issued: Nov 7th, 2026 9:03:49 pm
Space Weather Message Code: ALTK05
- Serial Number: 2062
- Issue Time: 2026 Nov 08 0203 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Nov 08 0203 UTC
- Synoptic Period: 0000-0300
- Active Warning: YES
- Noaa Scale: G1 - Minor
- Comment:
- 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 7th, 2026 2:45:37 pm
Space Weather Message Code: ALTK05
- Serial Number: 2061
- Issue Time: 2026 Nov 07 1945 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Nov 07 1945 UTC
- Synoptic Period: 1800-2100
- Active Warning: YES
- Noaa Scale: G1 - Minor
- Comment:
- 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 7th, 2026 2:40:51 pm
Space Weather Message Code: WARK04
- Serial Number: 5450
- Issue Time: 2026 Nov 07 1940 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5449
- Valid From: 2026 Nov 07 0056 UTC
- Now Valid Until: 2026 Nov 08 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 7th, 2026 2:35:10 pm
Space Weather Message Code: WARK05
- Serial Number: 2275
- Issue Time: 2026 Nov 07 1935 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Nov 07 1935 UTC
- Valid To: 2026 Nov 08 2100 UTC
- Warning Conditions: Onset
- Noaa Scale: G1 - Minor
- Comment:
- 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 7th, 2026 2:20:43 pm
Space Weather Message Code: ALTK04
- Serial Number: 2697
- Issue Time: 2026 Nov 07 1920 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2026 Nov 07 1920 UTC
- Synoptic Period: 1800-2100
- Active Warning: YES
- Comment:
- 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 7th, 2026 6:55:30 am
Space Weather Message Code: WARK04
- Serial Number: 5449
- Issue Time: 2026 Nov 07 1155 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5448
- Valid From: 2026 Nov 07 0056 UTC
- Now Valid Until: 2026 Nov 07 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.
