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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 3rd, 2026 5:30:25 pm
Space Weather Message Code: WARK05
- Serial Number: 2202
- Issue Time: 2026 Mar 03 2230 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Mar 03 2230 UTC
- Valid To: 2026 Mar 04 0300 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 3rd, 2026 5:32:24 pm
Space Weather Message Code: WARK05
- Serial Number: 2202
- Issue Time: 2026 Mar 03 2232 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Mar 03 2230 UTC
- Valid To: 2026 Mar 04 0300 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 3rd, 2026 5:28:38 pm
Space Weather Message Code: ALTK04
- Serial Number: 2637
- Issue Time: 2026 Mar 03 2228 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2026 Mar 03 2228 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: Mar 3rd, 2026 5:08:18 pm
Space Weather Message Code: WARK04
- Serial Number: 5276
- Issue Time: 2026 Mar 03 2208 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Mar 03 2208 UTC
- Valid To: 2026 Mar 04 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: Mar 3rd, 2026 8:41:47 am
Space Weather Message Code: ALTEF3
- Serial Number: 3640
- Issue Time: 2026 Mar 03 1341 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3639
- Begin Time: 2026 Feb 23 1045 UTC
- Yesterday Maximum 2MeV Flux: 14496 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Mar 2nd, 2026 12:00:13 am
Space Weather Message Code: ALTEF3
- Serial Number: 3639
- Issue Time: 2026 Mar 02 0500 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3638
- Begin Time: 2026 Feb 23 1045 UTC
- Yesterday Maximum 2MeV Flux: 7042 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Mar 1st, 2026 12:09:27 am
Space Weather Message Code: ALTEF3
- Serial Number: 3638
- Issue Time: 2026 Mar 01 0509 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3637
- Begin Time: 2026 Feb 23 1045 UTC
- Yesterday Maximum 2MeV Flux: 7143 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 28th, 2026 12:00:21 am
Space Weather Message Code: ALTEF3
- Serial Number: 3637
- Issue Time: 2026 Feb 28 0500 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3636
- Begin Time: 2026 Feb 23 1045 UTC
- Yesterday Maximum 2MeV Flux: 11786 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 26th, 2026 11:59:48 pm
Space Weather Message Code: ALTEF3
- Serial Number: 3636
- Issue Time: 2026 Feb 27 0459 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
- Continuation of Serial Number: 3635
- Begin Time: 2026 Feb 23 1045 UTC
- Yesterday Maximum 2MeV Flux: 7303 pfu
- Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Geophysical Alert Message Issued: Feb 26th, 2026 6:55:38 am
Space Weather Message Code: WARK04
- Serial Number: 5275
- Issue Time: 2026 Feb 26 1155 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5274
- Valid From: 2026 Feb 25 2140 UTC
- Now Valid Until: 2026 Feb 26 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.
