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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: Feb 11th, 2026 2:37:25 pm
Space Weather Message Code: WARK04
- Serial Number: 5252
- Issue Time: 2026 Feb 11 1937 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Feb 11 1936 UTC
- Valid To: 2026 Feb 12 0600 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: Feb 10th, 2026 6:30:24 pm
Space Weather Message Code: WARK05
- Serial Number: 2189
- Issue Time: 2026 Feb 10 2330 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Feb 10 2330 UTC
- Valid To: 2026 Feb 11 0600 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 10th, 2026 5:14:25 pm
Space Weather Message Code: WARK04
- Serial Number: 5251
- Issue Time: 2026 Feb 10 2214 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Feb 10 2213 UTC
- Valid To: 2026 Feb 11 0600 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: Feb 10th, 2026 5:15:04 pm
Space Weather Message Code: ALTK04
- Serial Number: 2629
- Issue Time: 2026 Feb 10 2215 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2026 Feb 10 2214 UTC
- Synoptic Period: 2100-2400 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: Feb 10th, 2026 7:12:15 am
Space Weather Message Code: ALTEF3
- Serial Number: 3624
- Issue Time: 2026 Feb 10 1212 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3623
- Begin Time: 2026 Feb 07 1340 UTC
- Yesterday Maximum 2MeV Flux: 1764 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 9th, 2026 7:11:51 am
Space Weather Message Code: ALTEF3
- Serial Number: 3623
- Issue Time: 2026 Feb 09 1211 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3622
- Begin Time: 2026 Feb 07 1340 UTC
- Yesterday Maximum 2MeV Flux: 1894 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 8th, 2026 9:02:58 am
Space Weather Message Code: SUM10R
- Serial Number: 900
- Issue Time: 2026 Feb 08 1402 UTC
- SUMMARY: 10cm Radio Burst
- Begin Time: 2026 Feb 08 1350 UTC
- Maximum Time: 2026 Feb 08 1350 UTC
- End Time: 2026 Feb 08 1353 UTC
- Duration: 3 minutes
- Peak Flux: 440 sfu
- Latest Penticton Noon Flux: 169 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: Feb 8th, 2026 6:57:09 am
Space Weather Message Code: ALTEF3
- Serial Number: 3622
- Issue Time: 2026 Feb 08 1157 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3621
- Begin Time: 2026 Feb 07 1340 UTC
- Yesterday Maximum 2MeV Flux: 2062 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 7th, 2026 4:25:17 pm
Space Weather Message Code: WARK04
- Serial Number: 5250
- Issue Time: 2026 Feb 07 2125 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5249
- Valid From: 2026 Feb 06 1253 UTC
- Now Valid Until: 2026 Feb 08 1200 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 7th, 2026 9:18:54 am
Space Weather Message Code: ALTEF3
- Serial Number: 3621
- Issue Time: 2026 Feb 07 1418 UTC
- ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Threshold Reached: 2026 Feb 07 1340 UTC
- Station: GOES18
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
