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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 26th, 2026 11:59:28 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3612
- Issue Time: 2026 Jan 27 0459 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3611
- Begin Time: 2026 Jan 21 0950 UTC
- Yesterday Maximum 2MeV Flux: 8394 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 26th, 2026 4:06:39 am
Space Weather Message Code: WATA20
- Serial Number: 1091
- Issue Time: 2026 Jan 26 0906 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Jan 27: None (Below G1) Jan 28: G1 (Minor) Jan 29: None (Below G1)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment: Negative polarity CH influences will likely lead to isolated G1 (Minor) geomanetic storming periods on 28 Jan.
- 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 26th, 2026 12:01:48 am
Space Weather Message Code: ALTEF3
- Serial Number: 3611
- Issue Time: 2026 Jan 26 0501 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3610
- Begin Time: 2026 Jan 21 0950 UTC
- Yesterday Maximum 2MeV Flux: 6155 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 25th, 2026 12:54:39 pm
Space Weather Message Code: WARK04
- Serial Number: 5239
- Issue Time: 2026 Jan 25 1754 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5238
- Valid From: 2026 Jan 25 0245 UTC
- Now Valid Until: 2026 Jan 26 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 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 25th, 2026 6:50:55 am
Space Weather Message Code: WARK04
- Serial Number: 5238
- Issue Time: 2026 Jan 25 1150 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5237
- Valid From: 2026 Jan 25 0245 UTC
- Now Valid Until: 2026 Jan 25 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: Jan 25th, 2026 12:00:19 am
Space Weather Message Code: ALTEF3
- Serial Number: 3610
- Issue Time: 2026 Jan 25 0500 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3609
- Begin Time: 2026 Jan 21 0950 UTC
- Yesterday Maximum 2MeV Flux: 5171 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 24th, 2026 9:48:57 pm
Space Weather Message Code: WARK04
- Serial Number: 5237
- Issue Time: 2026 Jan 25 0248 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Jan 25 0245 UTC
- Valid To: 2026 Jan 25 1200 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 24th, 2026 12:52:33 pm
Space Weather Message Code: WARK04
- Serial Number: 5236
- Issue Time: 2026 Jan 24 1752 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5235
- Valid From: 2026 Jan 22 2224 UTC
- Now Valid Until: 2026 Jan 24 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: Jan 24th, 2026 12:00:03 am
Space Weather Message Code: ALTEF3
- Serial Number: 3609
- Issue Time: 2026 Jan 24 0500 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3608
- Begin Time: 2026 Jan 21 0950 UTC
- Yesterday Maximum 2MeV Flux: 3392 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 23rd, 2026 9:56:51 pm
Space Weather Message Code: WARK04
- Serial Number: 5235
- Issue Time: 2026 Jan 24 0256 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5234
- Valid From: 2026 Jan 22 2224 UTC
- Now Valid Until: 2026 Jan 24 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.
