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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 14th, 2025 5:09:39 pm
Space Weather Message Code: ALTK05
- Serial Number: 1826
- Issue Time: 2025 Jul 14 2109 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Jul 14 2059 UTC
- Synoptic Period: 1800-2100 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.
Geophysical Alert Message Issued: Jul 14th, 2025 4:52:18 pm
Space Weather Message Code: WARK05
- Serial Number: 2078
- Issue Time: 2025 Jul 14 2052 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Jul 14 2051 UTC
- Valid To: 2025 Jul 15 0300 UTC
- Warning Condition: Onset
- 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 14th, 2025 4:54:41 pm
Space Weather Message Code: ALTK04
- Serial Number: 2576
- Issue Time: 2025 Jul 14 2054 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Jul 14 2035 UTC
- Synoptic Period: 1800-2100 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: Jul 14th, 2025 2:59:09 pm
Space Weather Message Code: WARK04
- Serial Number: 5034
- Issue Time: 2025 Jul 14 1859 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2025 Jul 14 1858 UTC
- Valid To: 2025 Jul 15 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: Jul 14th, 2025 11:52:21 am
Space Weather Message Code: ALTEF3
- Serial Number: 3493
- Issue Time: 2025 Jul 14 1552 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2025 Jul 14 1550 UTC
- Station: GOES-19
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Jul 14th, 2025 7:35:32 am
Space Weather Message Code: ALTTP2
- Serial Number: 1421
- Issue Time: 2025 Jul 14 1135 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2025 Jul 14 1045 UTC
- Estimated Velocity: 205 km/s
- Comment: Faint signature.
- Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
Geophysical Alert Message Issued: Jul 13th, 2025 7:55:07 am
Space Weather Message Code: WARK04
- Serial Number: 5033
- Issue Time: 2025 Jul 13 1155 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5032
- Valid From: 2025 Jul 11 0510 UTC
- Now Valid Until: 2025 Jul 13 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: Jul 13th, 2025 12:33:45 am
Space Weather Message Code: ALTK05
- Serial Number: 1825
- Issue Time: 2025 Jul 13 0433 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Jul 13 0433 UTC
- Synoptic Period: 0300-0600 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.
Geophysical Alert Message Issued: Jul 13th, 2025 12:19:03 am
Space Weather Message Code: WARK05
- Serial Number: 2077
- Issue Time: 2025 Jul 13 0419 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Jul 13 0418 UTC
- Valid To: 2025 Jul 13 1200 UTC
- Warning Condition: Onset
- 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 12th, 2025 7:55:33 pm
Space Weather Message Code: WARK04
- Serial Number: 5032
- Issue Time: 2025 Jul 12 2355 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5031
- Valid From: 2025 Jul 11 0510 UTC
- Now Valid Until: 2025 Jul 13 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.
