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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: Jul 30th, 2026 1:10:51 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1518
- Issue Time: 2026 Jul 30 1710 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Jul 30 1627 UTC
- Estimate Velocity: 853 km/s
- Comment:
Geophysical Alert Message Issued: Jul 30th, 2026 1:11:42 pm
Space Weather Message Code: ALTTP4
- Serial Number: 715
- Issue Time: 2026 Jul 30 1711 UTC
- ALERT: Type IV Radio Emission
- Begin Time: 2026 Jul 30 1631 UTC
- Comment:
Geophysical Alert Message Issued: Jul 30th, 2026 1:12:27 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1519
- Issue Time: 2026 Jul 30 1712 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Jul 30 1645 UTC
- Estimate Velocity: 1681 km/s
- Comment:
Geophysical Alert Message Issued: Jul 27th, 2026 10:53:19 am
Space Weather Message Code: ALTEF3
- Serial Number: 3722
- Issue Time: 2026 Jul 27 1453 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3721
- Begin Time: 2026 Jul 26 1534 UTC
- Yesterday Maximum 2MeV Flux: 1063 pfu
- Max time: 2026 Jul 27 1445 UTC
Geophysical Alert Message Issued: Jul 27th, 2026 12:03:30 am
Space Weather Message Code: ALTTP2
- Serial Number: 1517
- Issue Time: 2026 Jul 27 0403 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Jul 27 0244 UTC
- Estimate Velocity: 622 km/s
- Comment:
Geophysical Alert Message Issued: Jul 26th, 2026 11:46:19 am
Space Weather Message Code: ALTTP2
- Serial Number: 1516
- Issue Time: 2026 Jul 26 1546 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Jul 26 1529 UTC
- Estimate Velocity: 1057 km/s
- Comment:
Geophysical Alert Message Issued: Jul 26th, 2026 11:36:06 am
Space Weather Message Code: ALTEF3
- Serial Number: 3721
- Issue Time: 2026 Jul 26 1535 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Threshold Reached: 2026 Jul 26 1534 UTC
- Station: GOES-19
- Comment: Yesterday's max: 1077 pfu
Geophysical Alert Message Issued: Jul 24th, 2026 4:56:02 am
Space Weather Message Code: WARK04
- Serial Number: 5392
- Issue Time: 2026 Jul 24 0856 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5391
- Valid From: 2026 Jul 23 1432 UTC
- Now Valid Until: 2026 Jul 24 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: Jul 23rd, 2026 7:47:40 pm
Space Weather Message Code: WARK05
- Serial Number: 2252
- Issue Time: 2026 Jul 23 2347 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2251
- Valid From: 2026 Jul 23 1619 UTC
- Now Valid Until: 2026 Jul 24 0600 UTC
- Warning Condition: Persistence
- 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: Jul 23rd, 2026 4:15:26 pm
Space Weather Message Code: ALTK05
- Serial Number: 2041
- Issue Time: 2026 Jul 23 2015 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Jul 23 2007 UTC
- Synoptic Period: 1800-2100
- 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.
