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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: Oct 10th, 2026 3:27:12 pm
Space Weather Message Code: ALTK07
- Serial Number: 220
- Issue Time: 2026 Oct 10 1927 UTC
- ALERT: Geomagnetic K-index of 7
- Threshold Reached: 2026 Oct 10 1926 UTC
- Synoptic Period: 1800-2100
- Active Warning: YES
- Noaa Scale: G3 - Strong
- Comment:
- NOAA Scale: G3 - Strong
Geophysical Alert Message Issued: Oct 10th, 2026 2:37:46 pm
Space Weather Message Code: ALTK06
- Serial Number: 728
- Issue Time: 2026 Oct 10 1837 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2026 Oct 10 1837 UTC
- Synoptic Period: 1800-2100
- Active Warning: YES
- Noaa Scale: G2 - Moderate
- Comment:
- 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: Oct 10th, 2026 2:18:53 pm
Space Weather Message Code: ALTK05
- Serial Number: 2056
- Issue Time: 2026 Oct 10 1818 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Oct 10 1818 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.
Geophysical Alert Message Issued: Oct 10th, 2026 1:58:50 pm
Space Weather Message Code: ALTK07
- Serial Number: 219
- Issue Time: 2026 Oct 10 1758 UTC
- ALERT: Geomagnetic K-index of 7
- Threshold Reached: 2026 Oct 10 1758 UTC
- Synoptic Period: 1500-1800
- Active Warning: YES
- Noaa Scale: G3 - Strong
- Comment:
- NOAA Scale: G3 - Strong
Geophysical Alert Message Issued: Oct 10th, 2026 1:42:57 pm
Space Weather Message Code: WARK07
- Serial Number: 153
- Issue Time: 2026 Oct 10 1742 UTC
- WARNING: Geomagnetic K-index of 7 or greater expected
- Valid From: 2026 Oct 10 1742 UTC
- Valid To: 2026 Oct 10 2359 UTC
- Warning Conditions: Onset
- Noaa Scale: G3 - Greater
- Comment:
- NOAA Scale: G3 - Greater
Geophysical Alert Message Issued: Oct 10th, 2026 1:18:13 pm
Space Weather Message Code: ALTK06
- Serial Number: 727
- Issue Time: 2026 Oct 10 1718 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2026 Oct 10 1717 UTC
- Synoptic Period: 1500-1800
- Active Warning: YES
- Noaa Scale: G2 - Moderate
- Comment:
- 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: Oct 10th, 2026 11:35:28 am
Space Weather Message Code: ALTK05
- Serial Number: 2055
- Issue Time: 2026 Oct 10 1535 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2026 Oct 10 1535 UTC
- Synoptic Period: 1500-1800
- 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: Oct 10th, 2026 11:26:24 am
Space Weather Message Code: ALTTP2
- Serial Number: 1532
- Issue Time: 2026 Oct 10 1526 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Oct 10 1515 UTC
- Estimate Velocity: 929 km/s
- Comment:
Geophysical Alert Message Issued: Oct 10th, 2026 11:27:55 am
Space Weather Message Code: SUMXM5
- Serial Number: 328
- Issue Time: 2026 Oct 10 1527 UTC
- SUMMARY: X-ray Event exceeded M5
- Begin Time: 2026 Oct 10 1458 UTC
- Maximum Time: 2026 Oct 10 1510 UTC
- End Time: 2026 Oct 10 1520 UTC
- Xray Class: M6.4
- Optical Class:
- Location: N08W50
- 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: Oct 10th, 2026 11:24:27 am
Space Weather Message Code: SUMSUD
- Serial Number: 303
- Issue Time: 2026 Oct 10 1524 UTC
- SUMMARY: Geomagnetic Sudden Impulse
- Observed: 2026 Oct 10 1516 UTC
- Deviation: 56 nT
- Station: NGK
- Comment:
