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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: Mar 26th, 2025 10:04:13 am
Space Weather Message Code: ALTK06
- Serial Number: 620
- Issue Time: 2025 Mar 26 1404 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2025 Mar 26 1358 UTC
- Synoptic Period: 1200-1500 UTC
- Active Warning: Yes
- 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.
Geophysical Alert Message Issued: Mar 26th, 2025 9:38:58 am
Space Weather Message Code: WARK06
- Serial Number: 568
- Issue Time: 2025 Mar 26 1338 UTC
- WARNING: Geomagnetic K-Index of 6 expected
- Valid From: 2025 Mar 26 1338 UTC
- Valid To: 2025 Mar 26 2100 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.
Geophysical Alert Message Issued: Mar 26th, 2025 7:17:10 am
Space Weather Message Code: WARK05
- Serial Number: 2001
- Issue Time: 2025 Mar 26 1117 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2000
- Valid From: 2025 Mar 26 0131 UTC
- Now Valid Until: 2025 Mar 26 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 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: Mar 26th, 2025 7:17:38 am
Space Weather Message Code: WARK04
- Serial Number: 4889
- Issue Time: 2025 Mar 26 1117 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4888
- Valid From: 2025 Mar 25 2017 UTC
- Now Valid Until: 2025 Mar 26 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: Mar 26th, 2025 7:12:56 am
Space Weather Message Code: ALTTP2
- Serial Number: 1409
- Issue Time: 2025 Mar 26 1112 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2025 Mar 26 0920 UTC
- Estimated Velocity: 571 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: Mar 25th, 2025 11:01:28 pm
Space Weather Message Code: ALTK05
- Serial Number: 1726
- Issue Time: 2025 Mar 26 0301 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2025 Mar 26 0259 UTC
- Synoptic Period: 0000-0300 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: Mar 25th, 2025 9:32:50 pm
Space Weather Message Code: WARK05
- Serial Number: 2000
- Issue Time: 2025 Mar 26 0132 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2025 Mar 26 0131 UTC
- Valid To: 2025 Mar 26 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: Mar 25th, 2025 5:12:01 pm
Space Weather Message Code: WATA30
- Serial Number: 248
- Issue Time: 2025 Mar 25 2112 UTC
- WATCH: Geomagnetic Storm Category G2 Predicted
- Highest Storm Level Predicted by Day:
- Mar 26: G2 (Moderate) Mar 27: G1 (Minor) Mar 28: 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 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.
Geophysical Alert Message Issued: Mar 25th, 2025 4:32:29 pm
Space Weather Message Code: ALTK04
- Serial Number: 2539
- Issue Time: 2025 Mar 25 2032 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2025 Mar 25 2019 UTC
- Synoptic Period: 1800-2100 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: Mar 25th, 2025 4:18:06 pm
Space Weather Message Code: WARK04
- Serial Number: 4888
- Issue Time: 2025 Mar 25 2018 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2025 Mar 25 2017 UTC
- Valid To: 2025 Mar 26 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.
