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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 12th, 2026 7:47:08 am
Space Weather Message Code: ALTEF3
- Serial Number: 3645
- Issue Time: 2026 Mar 12 1147 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3644
- Begin Time: 2026 Mar 08 1510 UTC
- Yesterday Maximum 2MeV Flux: 2076 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Mar 11th, 2026 5:52:25 pm
Space Weather Message Code: WATA20
- Serial Number: 1100
- Issue Time: 2026 Mar 11 2152 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Mar 12: None (Below G1) Mar 13: G1 (Minor) Mar 14: 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: Mar 11th, 2026 6:04:06 am
Space Weather Message Code: ALTEF3
- Serial Number: 3644
- Issue Time: 2026 Mar 11 1004 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3643
- Begin Time: 2026 Mar 08 1510 UTC
- Yesterday Maximum 2MeV Flux: 1726 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Mar 10th, 2026 10:57:03 pm
Space Weather Message Code: WARK04
- Serial Number: 5282
- Issue Time: 2026 Mar 11 0257 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5281
- Valid From: 2026 Mar 10 1752 UTC
- Now Valid Until: 2026 Mar 11 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: Mar 10th, 2026 2:01:18 pm
Space Weather Message Code: ALTK04
- Serial Number: 2639
- Issue Time: 2026 Mar 10 1801 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2026 Mar 10 1759 UTC
- Synoptic Period: 1500-1800 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 10th, 2026 1:52:31 pm
Space Weather Message Code: WARK04
- Serial Number: 5281
- Issue Time: 2026 Mar 10 1752 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Mar 10 1752 UTC
- Valid To: 2026 Mar 11 0300 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 10th, 2026 1:16:14 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3643
- Issue Time: 2026 Mar 10 1716 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3642
- Begin Time: 2026 Mar 08 1510 UTC
- Yesterday Maximum 2MeV Flux: 1358 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Mar 9th, 2026 9:09:50 pm
Space Weather Message Code: WARK04
- Serial Number: 5280
- Issue Time: 2026 Mar 10 0109 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Mar 10 0110 UTC
- Valid To: 2026 Mar 10 0600 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 9th, 2026 10:42:43 am
Space Weather Message Code: ALTEF3
- Serial Number: 3642
- Issue Time: 2026 Mar 09 1442 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3641
- Begin Time: 2026 Mar 08 1510 UTC
- Yesterday Maximum 2MeV Flux: 2161 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
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.
