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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: Nov 29th, 2024 8:55:13 pm
Space Weather Message Code: WARK05
- Serial Number: 1954
- Issue Time: 2024 Nov 30 0155 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2024 Nov 30 0155 UTC
- Valid To: 2024 Nov 30 1500 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: Nov 29th, 2024 9:42:49 pm
Space Weather Message Code: ALTK05
- Serial Number: 1679
- Issue Time: 2024 Nov 30 0242 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2024 Nov 30 0242 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: Nov 29th, 2024 8:15:09 pm
Space Weather Message Code: WARK04
- Serial Number: 4764
- Issue Time: 2024 Nov 30 0115 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2024 Nov 30 0112 UTC
- Valid To: 2024 Nov 30 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: Nov 29th, 2024 12:34:21 pm
Space Weather Message Code: WATA30
- Serial Number: 246
- Issue Time: 2024 Nov 29 1734 UTC
- CANCEL WATCH: Geomagnetic Storm Category G2 Predicted
- Cancel Serial Number: 245
- Original Issue Time: 2024 Nov 26 1749 UTC
- Comment: G2 conditions are no longer anticipated.
- 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: Nov 26th, 2024 12:49:34 pm
Space Weather Message Code: WATA30
- Serial Number: 245
- Issue Time: 2024 Nov 26 1749 UTC
- WATCH: Geomagnetic Storm Category G2 Predicted
- Highest Storm Level Predicted by Day:
- Nov 27: None (Below G1) Nov 28: G1 (Minor) Nov 29: G2 (Moderate)
- 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: Nov 25th, 2024 7:13:01 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1377
- Issue Time: 2024 Nov 26 0013 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2024 Nov 25 2200 UTC
- Estimated Velocity: 490 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: Nov 25th, 2024 4:07:20 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1376
- Issue Time: 2024 Nov 25 2107 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2024 Nov 25 2043 UTC
- Estimated Velocity: 248 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: Nov 25th, 2024 3:21:32 am
Space Weather Message Code: SUM10R
- Serial Number: 849
- Issue Time: 2024 Nov 25 0821 UTC
- SUMMARY: 10cm Radio Burst
- Begin Time: 2024 Nov 25 0733 UTC
- Maximum Time: 2024 Nov 25 0734 UTC
- End Time: 2024 Nov 25 0736 UTC
- Duration: 3 minutes
- Peak Flux: 210 sfu
- Latest Penticton Noon Flux: 203 sfu
- Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications.
Geophysical Alert Message Issued: Nov 25th, 2024 3:15:16 am
Space Weather Message Code: SUMXM5
- Serial Number: 271
- Issue Time: 2024 Nov 25 0815 UTC
- SUMMARY: X-ray Event exceeded M5
- Begin Time: 2024 Nov 25 0724 UTC
- Maximum Time: 2024 Nov 25 0742 UTC
- End Time: 2024 Nov 25 0802 UTC
- X-ray Class: M9.4
- Location: N21E90
- 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: Nov 25th, 2024 2:38:29 am
Space Weather Message Code: ALTXMF
- Serial Number: 453
- Issue Time: 2024 Nov 25 0738 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2024 Nov 25 0736 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.
