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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: Jun 9th, 2025 6:54:32 am
Space Weather Message Code: WARK04
- Serial Number: 4993
- Issue Time: 2025 Jun 09 1054 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4992
- Valid From: 2025 Jun 07 0843 UTC
- Now Valid Until: 2025 Jun 09 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: Jun 8th, 2025 5:37:10 pm
Space Weather Message Code: WARK05
- Serial Number: 2061
- Issue Time: 2025 Jun 08 2137 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Jun 08 2136 UTC
- Valid To: 2025 Jun 09 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: Jun 8th, 2025 5:28:59 pm
Space Weather Message Code: WARK04
- Serial Number: 4992
- Issue Time: 2025 Jun 08 2128 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4991
- Valid From: 2025 Jun 07 0843 UTC
- Now Valid Until: 2025 Jun 09 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: Jun 8th, 2025 1:55:37 am
Space Weather Message Code: WARK04
- Serial Number: 4991
- Issue Time: 2025 Jun 08 0555 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4990
- Valid From: 2025 Jun 07 0843 UTC
- Now Valid Until: 2025 Jun 08 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: Jun 7th, 2025 5:06:53 pm
Space Weather Message Code: WARK05
- Serial Number: 2060
- Issue Time: 2025 Jun 07 2106 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Jun 07 2159 UTC
- Valid To: 2025 Jun 08 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: Jun 7th, 2025 5:07:13 pm
Space Weather Message Code: ALTK05
- Serial Number: 1806
- Issue Time: 2025 Jun 07 2107 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Jun 07 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: Jun 7th, 2025 2:15:03 pm
Space Weather Message Code: WARK04
- Serial Number: 4990
- Issue Time: 2025 Jun 07 1815 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4989
- Valid From: 2025 Jun 07 0843 UTC
- Now Valid Until: 2025 Jun 08 0600 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: Jun 7th, 2025 2:12:42 pm
Space Weather Message Code: WATA20
- Serial Number: 1045
- Issue Time: 2025 Jun 07 1812 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Jun 08: G1 (Minor) Jun 09: G1 (Minor) Jun 10: None (Below G1)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- 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: Jun 7th, 2025 4:50:57 am
Space Weather Message Code: ALTK04
- Serial Number: 2564
- Issue Time: 2025 Jun 07 0850 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Jun 07 0850 UTC
- Synoptic Period: 0600-0900 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: Jun 7th, 2025 4:43:39 am
Space Weather Message Code: WARK04
- Serial Number: 4989
- Issue Time: 2025 Jun 07 0843 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2025 Jun 07 0843 UTC
- Valid To: 2025 Jun 07 2359 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.
