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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: Apr 2nd, 2025 5:12:53 pm
Space Weather Message Code: WATA20
- Serial Number: 1035
- Issue Time: 2025 Apr 02 2112 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Apr 03: None (Below G1) Apr 04: G1 (Minor) Apr 05: G1 (Minor)
- 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: Apr 2nd, 2025 4:59:35 pm
Space Weather Message Code: WARK04
- Serial Number: 4898
- Issue Time: 2025 Apr 02 2059 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4897
- Valid From: 2025 Apr 02 0123 UTC
- Now Valid Until: 2025 Apr 03 1000 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: Apr 2nd, 2025 2:24:50 pm
Space Weather Message Code: SUMPX1
- Serial Number: 122
- Issue Time: 2025 Apr 02 1824 UTC
- SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu
- Begin Time: 2025 Mar 31 1105 UTC
- Maximum Time: 2025 Apr 01 0425 UTC
- End Time: 2025 Apr 02 0910 UTC
- Maximum 10MeV Flux: 147 pfu
- NOAA Scale: S2 - Moderate
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
Geophysical Alert Message Issued: Apr 2nd, 2025 7:02:21 am
Space Weather Message Code: WARPX1
- Serial Number: 600
- Issue Time: 2025 Apr 02 1102 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 599
- Valid From: 2025 Mar 31 1057 UTC
- Now Valid Until: 2025 Apr 02 1800 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Apr 2nd, 2025 4:51:14 am
Space Weather Message Code: WARK04
- Serial Number: 4897
- Issue Time: 2025 Apr 02 0851 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4896
- Valid From: 2025 Apr 02 0123 UTC
- Now Valid Until: 2025 Apr 02 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: Apr 2nd, 2025 4:51:15 am
Space Weather Message Code: WARK05
- Serial Number: 2006
- Issue Time: 2025 Apr 02 0851 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2005
- Valid From: 2025 Apr 02 0233 UTC
- Now Valid Until: 2025 Apr 02 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 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: Apr 1st, 2025 9:23:56 pm
Space Weather Message Code: WARK04
- Serial Number: 4895
- Issue Time: 2025 Apr 02 0123 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2025 Apr 02 0123 UTC
- Valid To: 2025 Apr 02 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: Apr 1st, 2025 9:33:01 pm
Space Weather Message Code: ALTK04
- Serial Number: 2540
- Issue Time: 2025 Apr 02 0133 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Apr 02 0132 UTC
- Synoptic Period: 0000-0300 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: Apr 1st, 2025 10:34:46 pm
Space Weather Message Code: WARK04
- Serial Number: 4896
- Issue Time: 2025 Apr 02 0234 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4895
- Valid From: 2025 Apr 02 0123 UTC
- Now Valid Until: 2025 Apr 02 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: Apr 1st, 2025 8:23:28 pm
Space Weather Message Code: WATA20
- Serial Number: 1034
- Issue Time: 2025 Apr 02 0023 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Apr 02: None (Below G1) Apr 03: None (Below G1) Apr 04: G1 (Minor)
- 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.
