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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: Jul 3rd, 2026 2:59:08 pm
Space Weather Message Code: SUMXM5
- Serial Number: 322
- Issue Time: 2026 Jul 03 1859 UTC
- SUMMARY: X-ray Event exceeded M5
- Begin Time: 2026 Jul 03 1749 UTC
- Maximum Time: 2026 Jul 03 1811 UTC
- End Time: 2026 Jul 04 1832 UTC
- Xray Class: M6.7
- Optical Class:
- Location: N17W66
- Noaa Scale: R2 - Moderate
- Comment:
- 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: Jul 3rd, 2026 3:00:40 pm
Space Weather Message Code: ALTXMF
- Serial Number: 537
- Issue Time: 2026 Jul 03 1900 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2026 Jul 03 1856 UTC
- Noaa Scale: R2 - Moderate
- Comment:
- 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: Jul 3rd, 2026 2:47:26 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1509
- Issue Time: 2026 Jul 03 1847 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Jul 03 1805 UTC
- Estimate Velocity: 1831 km/s
- Comment:
Geophysical Alert Message Issued: Jul 3rd, 2026 2:18:42 pm
Space Weather Message Code: SUM10R
- Serial Number: 920
- Issue Time: 2026 Jul 03 1818 UTC
- SUMMARY: 10cm Radio Burst
- Begin Time: 2026 Jul 03 1806 UTC
- Maximum Time: 2026 Jul 03 1808 UTC
- End Time: 2026 Jul 04 1809 UTC
- Peak Flux: 220 sfu
- Duration: 3 minutes
- Latest Penticton Noon Flux: 203 sfu
- Comment:
Geophysical Alert Message Issued: Jul 3rd, 2026 2:10:05 pm
Space Weather Message Code: ALTXMF
- Serial Number: 536
- Issue Time: 2026 Jul 03 1810 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2026 Jul 03 1807 UTC
- Noaa Scale: R2 - Moderate
- Comment:
- 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: Jul 3rd, 2026 8:09:51 am
Space Weather Message Code: WARK04
- Serial Number: 5374
- Issue Time: 2026 Jul 03 1209 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Jul 03 1209 UTC
- Valid To: 2026 Jul 04 0300 UTC
- Warning Conditions: Onset
- Comment:
- 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: Jul 3rd, 2026 7:38:06 am
Space Weather Message Code: WARSUD
- Serial Number: 256
- Issue Time: 2026 Jul 03 1138 UTC
- WARNING: Geomagnetic Sudden Impulse expected
- Valid From: 2026 Jul 03 1157 UTC
- Valid To: 2026 Jul 03 1227 UTC
- Ip Shock: 2026-07-03 11:20
- Comment:
Geophysical Alert Message Issued: Jul 3rd, 2026 7:24:17 am
Space Weather Message Code: WATA30
- Serial Number: 278
- Issue Time: 2026 Jul 03 1123 UTC
- WATCH: Geomagnetic Storm Category G2 Predicted
- Highest Storm Level Predicted by Day:
- Jul 03: G2 (Moderate) Jul 04: G2 (Moderate) Jul 05: G1 (Minor)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment: Added G1 (Minor) Watch for 05 Jul.
- Added G1 (Minor) Watch for 05 Jul.
- 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: Jul 2nd, 2026 5:35:50 am
Space Weather Message Code: WATA30
- Serial Number: 278
- Issue Time: 2026 Jul 02 0935 UTC
- WATCH: Geomagnetic Storm Category G2 Predicted
- Highest Storm Level Predicted by Day:
- Jul 02: None (Below G1) Jul 03: G2 (Moderate) Jul 04: G2 (Moderate)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment:
- 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: Jul 1st, 2026 7:20:07 pm
Space Weather Message Code: SUMXM5
- Serial Number: 321
- Issue Time: 2026 Jul 01 2320 UTC
- SUMMARY: X-ray Event exceeded M5
- Begin Time: 2026 Jul 01 2257 UTC
- Maximum Time: 2026 Jul 01 2309 UTC
- End Time: 2026 Jul 02 2313 UTC
- Xray Class: M8.5
- Optical Class: 2b
- Location: S07W25
- Noaa Scale: R2 - Moderate
- Comment:
- 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.
