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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: Oct 6th, 2026 2:15:04 am
Space Weather Message Code: ALTTP2
- Serial Number: 1530
- Issue Time: 2026 Oct 06 0615 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Oct 06 0559 UTC
- Estimate Velocity: 947 km/s
- Comment:
Geophysical Alert Message Issued: Oct 6th, 2026 1:07:58 am
Space Weather Message Code: ALTEF3
- Serial Number: 3752
- Issue Time: 2026 Oct 06 0507 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3751
- Begin Time: 2026 Oct 05 1830 UTC
- Yesterday Maximum 2MeV Flux: 2358 pfu
- Max time: 2026 Oct 05 2010 UTC
Geophysical Alert Message Issued: Oct 5th, 2026 11:43:55 pm
Space Weather Message Code: WARK04
- Serial Number: 5428
- Issue Time: 2026 Oct 06 0343 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5427
- Valid From: 2026 Oct 05 0155 UTC
- Now Valid Until: 2026 Oct 06 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: Oct 5th, 2026 5:11:06 pm
Space Weather Message Code: WARK04
- Serial Number: 5427
- Issue Time: 2026 Oct 05 2111 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5426
- Valid From: 2026 Oct 05 0155 UTC
- Now Valid Until: 2026 Oct 06 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: Oct 5th, 2026 2:47:07 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3751
- Issue Time: 2026 Oct 05 1847 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Threshold Reached: 2026 Oct 05 1830 UTC
- Station: GOES-19
- Comment:
Geophysical Alert Message Issued: Oct 4th, 2026 11:50:48 pm
Space Weather Message Code: WARK05
- Serial Number: 2269
- Issue Time: 2026 Oct 05 0350 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Oct 05 0350 UTC
- Valid To: 2026 Oct 05 1500 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: Oct 4th, 2026 11:52:52 pm
Space Weather Message Code: ALTK05
- Serial Number: 2054
- Issue Time: 2026 Oct 05 0352 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Oct 05 0352 UTC
- Synoptic Period: 0300-0600
- 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: Oct 4th, 2026 9:56:45 pm
Space Weather Message Code: WARK04
- Serial Number: 5426
- Issue Time: 2026 Oct 05 0156 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Oct 05 0155 UTC
- Valid To: 2026 Oct 05 2359 UTC
- Warning Conditions: Persistence
- 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: Oct 4th, 2026 7:57:49 pm
Space Weather Message Code: ALTK05
- Serial Number: 2053
- Issue Time: 2026 Oct 04 2357 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Oct 04 2357 UTC
- Synoptic Period: 2100-2400
- 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: Oct 4th, 2026 4:58:04 pm
Space Weather Message Code: ALTK06
- Serial Number: 726
- Issue Time: 2026 Oct 04 2058 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2026 Oct 04 2057 UTC
- Synoptic Period: 1800-2100
- Active Warning: YES
- Noaa Scale: G2 - Moderate
- Comment:
- 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.
