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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: Feb 9th, 2025 3:41:19 pm
Space Weather Message Code: ALTK05
- Serial Number: 1693
- Issue Time: 2025 Feb 09 2041 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Feb 09 2041 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: Feb 9th, 2025 3:35:35 pm
Space Weather Message Code: WARK05
- Serial Number: 1970
- Issue Time: 2025 Feb 09 2035 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Feb 09 2030 UTC
- Valid To: 2025 Feb 10 0600 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: Feb 9th, 2025 12:04:28 pm
Space Weather Message Code: ALTK04
- Serial Number: 2525
- Issue Time: 2025 Feb 09 1704 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Feb 09 1701 UTC
- Synoptic Period: 1500-1800 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: Feb 9th, 2025 9:30:55 am
Space Weather Message Code: WARK04
- Serial Number: 4825
- Issue Time: 2025 Feb 09 1430 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2025 Feb 09 1430 UTC
- Valid To: 2025 Feb 10 1200 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: Feb 8th, 2025 9:52:32 am
Space Weather Message Code: WARK04
- Serial Number: 4824
- Issue Time: 2025 Feb 08 1452 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4823
- Valid From: 2025 Feb 08 0803 UTC
- Now Valid Until: 2025 Feb 08 2100 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: Feb 8th, 2025 4:02:49 am
Space Weather Message Code: ALTK04
- Serial Number: 2524
- Issue Time: 2025 Feb 08 0902 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Feb 08 0859 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: Feb 8th, 2025 3:04:34 am
Space Weather Message Code: WARK04
- Serial Number: 4823
- Issue Time: 2025 Feb 08 0804 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2025 Feb 08 0803 UTC
- Valid To: 2025 Feb 08 1500 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: Feb 7th, 2025 12:51:25 pm
Space Weather Message Code: WATA20
- Serial Number: 1026
- Issue Time: 2025 Feb 07 1751 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Feb 08: None (Below G1) Feb 09: None (Below G1) Feb 10: G1 (Minor)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment: A recurrent, negative polarity CH HSS will likely cause G1 (Minor) geomagnetic storm effects on 10 Feb.
- 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: Feb 7th, 2025 4:44:07 am
Space Weather Message Code: SUMXM5
- Serial Number: 286
- Issue Time: 2025 Feb 07 0944 UTC
- SUMMARY: X-ray Event exceeded M5
- Begin Time: 2025 Feb 07 0859 UTC
- Maximum Time: 2025 Feb 07 0921 UTC
- End Time: 2025 Feb 07 0936 UTC
- X-ray Class: M7.5
- Location: N11W39
- NOAA Scale: R2 - Moderate
- Comment: 20% chance of an associated proton event later on the UTC day
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact centered primarily on sub-solar point on the sunlit side of Earth.
- Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes.
Geophysical Alert Message Issued: Feb 7th, 2025 4:16:31 am
Space Weather Message Code: ALTXMF
- Serial Number: 475
- Issue Time: 2025 Feb 07 0916 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2025 Feb 07 0914 UTC
- NOAA Scale: R2 - Moderate
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap.
