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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 16th, 2026 12:56:27 am
Space Weather Message Code: WARK05
- Serial Number: 2193
- Issue Time: 2026 Feb 16 0556 UTC
- EXTENDED WARNING: Geomagnetic K-index of 5 expected
- Extension to Serial Number: 2192
- Valid From: 2026 Feb 16 0140 UTC
- Now Valid Until: 2026 Feb 16 1500 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 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 16th, 2026 12:57:00 am
Space Weather Message Code: WARK04
- Serial Number: 5259
- Issue Time: 2026 Feb 16 0557 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5258
- Valid From: 2026 Feb 14 2000 UTC
- Now Valid Until: 2026 Feb 16 2100 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 15th, 2026 8:42:32 pm
Space Weather Message Code: WARK05
- Serial Number: 2192
- Issue Time: 2026 Feb 16 0142 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Feb 16 0140 UTC
- Valid To: 2026 Feb 16 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 15th, 2026 6:38:11 pm
Space Weather Message Code: WARK04
- Serial Number: 5258
- Issue Time: 2026 Feb 15 2338 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5257
- Valid From: 2026 Feb 14 2000 UTC
- Now Valid Until: 2026 Feb 16 0900 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 15th, 2026 12:14:51 am
Space Weather Message Code: WARK06
- Serial Number: 639
- Issue Time: 2026 Feb 15 0514 UTC
- WARNING: Geomagnetic K-Index of 6 expected
- Valid From: 2026 Feb 15 0515 UTC
- Valid To: 2026 Feb 15 1500 UTC
- Warning Condition: Onset
- NOAA Scale: G2 - Moderate
- 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: Feb 14th, 2026 11:35:16 pm
Space Weather Message Code: ALTK05
- Serial Number: 1965
- Issue Time: 2026 Feb 15 0435 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Feb 15 0429 UTC
- Synoptic Period: 0300-0600 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: Feb 14th, 2026 9:13:13 pm
Space Weather Message Code: ALTK05
- Serial Number: 1964
- Issue Time: 2026 Feb 15 0213 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Feb 15 0204 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: Feb 14th, 2026 4:35:19 pm
Space Weather Message Code: WARK05
- Serial Number: 2190
- Issue Time: 2026 Feb 14 2135 UTC
- WARNING: Geomagnetic K-index of 5 expected
- Valid From: 2026 Feb 14 2135 UTC
- Valid To: 2026 Feb 15 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 14th, 2026 4:33:48 pm
Space Weather Message Code: ALTK04
- Serial Number: 2632
- Issue Time: 2026 Feb 14 2133 UTC
- ALERT: Geomagnetic K-index of 4
- Threshold Reached: 2026 Feb 14 2133 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 14th, 2026 2:59:05 pm
Space Weather Message Code: WARK04
- Serial Number: 5255
- Issue Time: 2026 Feb 14 1959 UTC
- WARNING: Geomagnetic K-index of 4 expected
- Valid From: 2026 Feb 14 2000 UTC
- Valid To: 2026 Feb 15 0300 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.
