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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: Mar 8th, 2026 11:27:31 am
Space Weather Message Code: ALTEF3
- Serial Number: 3641
- Issue Time: 2026 Mar 08 1527 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2026 Mar 08 1510 UTC
- Station: GOES19
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Mar 8th, 2026 10:55:43 am
Space Weather Message Code: WARK05
- Serial Number: 2204
- Issue Time: 2026 Mar 08 1455 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2203
- Valid From: 2026 Mar 08 0149 UTC
- Now Valid Until: 2026 Mar 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 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: Mar 8th, 2026 10:58:33 am
Space Weather Message Code: WARK04
- Serial Number: 5279
- Issue Time: 2026 Mar 08 1458 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5278
- Valid From: 2026 Mar 07 0025 UTC
- Now Valid Until: 2026 Mar 09 1500 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: Mar 7th, 2026 9:42:39 pm
Space Weather Message Code: ALTK05
- Serial Number: 1972
- Issue Time: 2026 Mar 08 0242 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Mar 08 0242 UTC
- Synoptic Period: 0000-0300 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: Mar 7th, 2026 8:49:30 pm
Space Weather Message Code: WARK05
- Serial Number: 2203
- Issue Time: 2026 Mar 08 0149 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Mar 08 0149 UTC
- Valid To: 2026 Mar 08 1500 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: Mar 7th, 2026 12:55:31 pm
Space Weather Message Code: WARK04
- Serial Number: 5278
- Issue Time: 2026 Mar 07 1755 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5277
- Valid From: 2026 Mar 07 0025 UTC
- Now Valid Until: 2026 Mar 08 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: Mar 6th, 2026 9:06:35 pm
Space Weather Message Code: ALTK04
- Serial Number: 2638
- Issue Time: 2026 Mar 07 0206 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2026 Mar 07 0206 UTC
- Synoptic Period: 0000-0300 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: Mar 6th, 2026 7:26:29 pm
Space Weather Message Code: WARK04
- Serial Number: 5277
- Issue Time: 2026 Mar 07 0026 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Mar 07 0025 UTC
- Valid To: 2026 Mar 07 1800 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: Mar 6th, 2026 12:53:00 pm
Space Weather Message Code: WATA20
- Serial Number: 1099
- Issue Time: 2026 Mar 06 1752 UTC
- CANCEL WATCH: Geomagnetic Storm Category G1 Predicted
- Cancel Serial Number: 1098
- Original Issue Time: 2026 Mar 03 2305 UTC
- Comment: G1 (Minor) geomagnetic storms are no longer expected.
- 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: Mar 3rd, 2026 6:05:46 pm
Space Weather Message Code: WATA20
- Serial Number: 1098
- Issue Time: 2026 Mar 03 2305 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Mar 04: None (Below G1) Mar 05: None (Below G1) Mar 06: 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.
