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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: Jun 8th, 2026 1:16:45 am
Space Weather Message Code: ALTEF3
- Serial Number: 3697
- Issue Time: 2026 Jun 08 0516 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3696
- Begin Time: 2026 Jun 07 1143 UTC
- Yesterday Maximum 2MeV Flux: 2874 pfu
Geophysical Alert Message Issued: Jun 7th, 2026 7:46:25 am
Space Weather Message Code: ALTEF3
- Serial Number: 3696
- Issue Time: 2026 Jun 07 1146 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2026 Jun 07 1143 UTC
- Station: GOES-18
- Comment: Yesterday's max: 1284 pfu
- Yesterday's max: 1284 pfu
Geophysical Alert Message Issued: Jun 6th, 2026 6:11:17 pm
Space Weather Message Code: WATA50
- Serial Number: 99
- Issue Time: 2026 Jun 06 2211 UTC
- WATCH: Geomagnetic Storm Category G3 Predicted
- Highest Storm Level Predicted by Day:
- Jun 07: None (Below G1) Jun 08: G3 (Strong) Jun 09: G2 (Moderate)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment:
Geophysical Alert Message Issued: Jun 6th, 2026 12:55:22 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3695
- Issue Time: 2026 Jun 06 1655 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2026 Jun 06 1640 UTC
- Station: GOES-19
- Comment: Yesterday's max: 536 pfu
- Yesterday's max: 536 pfu
Geophysical Alert Message Issued: Jun 6th, 2026 10:15:12 am
Space Weather Message Code: ALTTP2
- Serial Number: 1498
- Issue Time: 2026 Jun 06 1415 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Jun 06 1347 UTC
- Estimate Velocity: 838 km/s
- Comment:
Geophysical Alert Message Issued: Jun 6th, 2026 10:14:05 am
Space Weather Message Code: SUM10R
- Serial Number: 918
- Issue Time: 2026 Jun 06 1414 UTC
- SUMMARY: 10cm Radio Burst
- Begin Time: 2026 Jun 06 1344 UTC
- Maximum Time: 2026 Jun 06 1344 UTC
- End Time: 2026 Jun 06 1359 UTC
- Peak Flux: 190 sfu
- Duration: 5 minutes
- Latest Penticton Noon Flux: 141 sfu
- Comment:
Geophysical Alert Message Issued: Jun 6th, 2026 12:35:01 am
Space Weather Message Code: WARK05
- Serial Number: 2240
- Issue Time: 2026 Jun 06 0435 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2239
- Valid From: 2026 Jun 05 1228 UTC
- Now Valid Until: 2026 Jun 06 1500 UTC
- Warning Condition: Persistence
- 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: Jun 6th, 2026 12:35:52 am
Space Weather Message Code: WARK04
- Serial Number: 5361
- Issue Time: 2026 Jun 06 0435 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5360
- Valid From: 2026 Jun 05 0434 UTC
- Now Valid Until: 2026 Jun 06 1800 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: Jun 5th, 2026 7:25:16 pm
Space Weather Message Code: ALTK05
- Serial Number: 2026
- Issue Time: 2026 Jun 05 2325 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Jun 05 2324 UTC
- Synoptic Period: 2100-2400
- Active Warning: YES
- Noaa Scale: G1 - Minor
- Comment:
- 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: Jun 5th, 2026 4:09:03 pm
Space Weather Message Code: ALTK05
- Serial Number: 2025
- Issue Time: 2026 Jun 05 2009 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Jun 05 2002 UTC
- Synoptic Period: 1800-2100
- Active Warning: YES
- Noaa Scale: G1 - Minor
- Comment:
- 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.
