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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: Jan 4th, 2025 5:13:44 pm
Space Weather Message Code: WARK05
- Serial Number: 1966
- Issue Time: 2025 Jan 04 2213 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 1965
- Valid From: 2025 Jan 04 0525 UTC
- Now Valid Until: 2025 Jan 05 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 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: Jan 4th, 2025 4:43:31 pm
Space Weather Message Code: WARPX1
- Serial Number: 591
- Issue Time: 2025 Jan 04 2143 UTC
- WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Valid From: 2025 Jan 04 2140 UTC
- Valid To: 2025 Jan 05 1200 UTC
- Warning Condition: Onset
- 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: Jan 4th, 2025 2:47:44 pm
Space Weather Message Code: ALTK05
- Serial Number: 1692
- Issue Time: 2025 Jan 04 1947 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Jan 04 1940 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: Jan 4th, 2025 1:07:24 pm
Space Weather Message Code: ALTK05
- Serial Number: 1691
- Issue Time: 2025 Jan 04 1807 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Jan 04 1759 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: Jan 4th, 2025 12:04:17 pm
Space Weather Message Code: ALTTP4
- Serial Number: 675
- Issue Time: 2025 Jan 04 1704 UTC
- ALERT: Type IV Radio Emission
- Begin Time: 2025 Jan 04 1444 UTC
- Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.
Geophysical Alert Message Issued: Jan 4th, 2025 9:22:25 am
Space Weather Message Code: WARK05
- Serial Number: 1965
- Issue Time: 2025 Jan 04 1422 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 1964
- Valid From: 2025 Jan 04 0525 UTC
- Now Valid Until: 2025 Jan 04 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 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: Jan 4th, 2025 8:31:20 am
Space Weather Message Code: ALTTP2
- Serial Number: 1388
- Issue Time: 2025 Jan 04 1331 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2025 Jan 04 1252 UTC
- Estimated Velocity: 314 km/s
- 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: Jan 4th, 2025 8:01:56 am
Space Weather Message Code: SUMX01
- Serial Number: 188
- Issue Time: 2025 Jan 04 1301 UTC
- SUMMARY: X-ray Event exceeded X1
- Begin Time: 2025 Jan 04 1234 UTC
- Maximum Time: 2025 Jan 04 1248 UTC
- End Time: 2025 Jan 04 1256 UTC
- X-ray Class: X1.8
- Location: N13E47
- NOAA Scale: R3 - Strong
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
- Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.
Geophysical Alert Message Issued: Jan 4th, 2025 7:45:52 am
Space Weather Message Code: ALTXMF
- Serial Number: 467
- Issue Time: 2025 Jan 04 1245 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2025 Jan 04 1243 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.
Geophysical Alert Message Issued: Jan 4th, 2025 3:18:27 am
Space Weather Message Code: WARK06
- Serial Number: 559
- Issue Time: 2025 Jan 04 0818 UTC
- WARNING: Geomagnetic K-Index of 6 expected
- Valid From: 2025 Jan 04 0818 UTC
- Valid To: 2025 Jan 04 1200 UTC
- Warning Condition: Onset
- NOAA Scale: G2 - Moderate
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
- Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
- Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
- Radio - HF (high frequency) radio propagation can fade at higher latitudes.
- Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
