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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 2nd, 2025 10:57:24 pm
Space Weather Message Code: ALTXMF
- Serial Number: 471
- Issue Time: 2025 Feb 03 0357 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2025 Feb 03 0358 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: Feb 2nd, 2025 10:51:17 am
Space Weather Message Code: WARK05
- Serial Number: 1969
- Issue Time: 2025 Feb 02 1551 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Feb 02 1550 UTC
- Valid To: 2025 Feb 02 2359 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 2nd, 2025 10:46:55 am
Space Weather Message Code: ALTEF3
- Serial Number: 3418
- Issue Time: 2025 Feb 02 1546 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2025 Feb 02 1530 UTC
- Station: GOES16
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 2nd, 2025 9:15:41 am
Space Weather Message Code: SUMXM5
- Serial Number: 282
- Issue Time: 2025 Feb 02 1415 UTC
- SUMMARY: X-ray Event exceeded M5
- Begin Time: 2025 Feb 02 1358 UTC
- Maximum Time: 2025 Feb 02 1404 UTC
- End Time: 2025 Feb 02 1408 UTC
- X-ray Class: M5.1
- Location: N18E03
- 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 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 2nd, 2025 9:05:35 am
Space Weather Message Code: ALTXMF
- Serial Number: 470
- Issue Time: 2025 Feb 02 1405 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2025 Feb 02 1404 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: Feb 2nd, 2025 5:40:31 am
Space Weather Message Code: ALTTP2
- Serial Number: 1398
- Issue Time: 2025 Feb 02 1040 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2025 Feb 02 1018 UTC
- Estimated Velocity: 664 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: Feb 2nd, 2025 1:22:26 am
Space Weather Message Code: ALTTP2
- Serial Number: 1397
- Issue Time: 2025 Feb 02 0622 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2025 Feb 02 0540 UTC
- Estimated Velocity: 736 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: Feb 2nd, 2025 12:15:06 am
Space Weather Message Code: WARK04
- Serial Number: 4822
- Issue Time: 2025 Feb 02 0515 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4821
- Valid From: 2025 Feb 01 0023 UTC
- Now Valid Until: 2025 Feb 02 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: Feb 1st, 2025 9:59:01 am
Space Weather Message Code: WARK04
- Serial Number: 4821
- Issue Time: 2025 Feb 01 1459 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4820
- Valid From: 2025 Feb 01 0023 UTC
- Now Valid Until: 2025 Feb 02 0600 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 1st, 2025 8:52:27 am
Space Weather Message Code: ALTTP2
- Serial Number: 1396
- Issue Time: 2025 Feb 01 1352 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2025 Feb 01 1328 UTC
- Estimated Velocity: 264 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.