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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 22nd, 2026 5:24:23 pm
Space Weather Message Code: WARK04
- Serial Number: 5230
- Issue Time: 2026 Jan 22 2224 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Jan 22 2224 UTC
- Valid To: 2026 Jan 23 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 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 22nd, 2026 12:54:18 pm
Space Weather Message Code: SUMPX1
- Serial Number: 127
- Issue Time: 2026 Jan 22 1754 UTC
- SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu
- Begin Time: 2026 Jan 18 2255 UTC
- Maximum Time: 2026 Jan 19 1915 UTC
- End Time: 2026 Jan 22 0545 UTC
- Maximum 10MeV Flux: 37000 pfu
- NOAA Scale: S4 - Severe
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
Geophysical Alert Message Issued: Jan 22nd, 2026 6:03:16 am
Space Weather Message Code: WARPX1
- Serial Number: 623
- Issue Time: 2026 Jan 22 1103 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 622
- Valid From: 2026 Jan 22 0124 UTC
- Now Valid Until: 2026 Jan 22 1800 UTC
- Warning Condition: Onset
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Jan 22nd, 2026 12:37:17 am
Space Weather Message Code: ALTPX1
- Serial Number: 363
- Issue Time: 2026 Jan 22 0537 UTC
- ALERT: Proton Event 10MeV Integral Flux exceeded 10pfu
- Begin Time: 2026 Jan 22 0520 UTC
- NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Jan 21st, 2026 11:59:55 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3607
- Issue Time: 2026 Jan 22 0459 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3606
- Begin Time: 2026 Jan 21 0950 UTC
- Yesterday Maximum 2MeV Flux: 3332 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 21st, 2026 8:24:41 pm
Space Weather Message Code: WARPX1
- Serial Number: 622
- Issue Time: 2026 Jan 22 0124 UTC
- WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Valid From: 2026 Jan 22 0124 UTC
- Valid To: 2026 Jan 22 1200 UTC
- Warning Condition: Onset
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Jan 21st, 2026 5:56:49 am
Space Weather Message Code: WARK04
- Serial Number: 5229
- Issue Time: 2026 Jan 21 1056 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5228
- Valid From: 2026 Jan 16 0254 UTC
- Now Valid Until: 2026 Jan 22 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: Jan 21st, 2026 5:37:33 am
Space Weather Message Code: ALTK06
- Serial Number: 695
- Issue Time: 2026 Jan 21 1037 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2026 Jan 21 1037 UTC
- Synoptic Period: 0900-1200 UTC
- Active Warning: Yes
- NOAA Scale: G2 - Moderate
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
- Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
- Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
- Radio - HF (high frequency) radio propagation can fade at higher latitudes.
- Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Geophysical Alert Message Issued: Jan 21st, 2026 5:06:46 am
Space Weather Message Code: ALTEF3
- Serial Number: 3606
- Issue Time: 2026 Jan 21 1006 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2026 Jan 21 0950 UTC
- Station: GOES19
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jan 21st, 2026 4:48:55 am
Space Weather Message Code: ALTK05
- Serial Number: 1960
- Issue Time: 2026 Jan 21 0948 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Jan 21 0948 UTC
- Synoptic Period: 0900-1200 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.
