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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: Nov 15th, 2026 8:34:32 am
Space Weather Message Code: WATA20
- Serial Number: 1138
- Issue Time: 2026 Nov 15 1334 UTC
- WATCH: Geomagnetic Storm Category G1 Predicted
- Highest Storm Level Predicted by Day:
- Nov 16: None (Below G1) Nov 17: G1 (Minor) Nov 18: G1 (Minor)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment:
- 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: Nov 15th, 2026 12:16:57 am
Space Weather Message Code: ALTEF3
- Serial Number: 3776
- Issue Time: 2026 Nov 15 0516 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3775
- Begin Time: 2026 Nov 08 2245 UTC
- Yesterday Maximum 2MeV Flux: 5837 pfu
- Max time: 2026 Nov 14 1300 UTC
Geophysical Alert Message Issued: Nov 14th, 2026 5:49:14 pm
Space Weather Message Code: ALTTP4
- Serial Number: 720
- Issue Time: 2026 Nov 14 2249 UTC
- ALERT: Type IV Radio Emission
- Begin Time: 2026 Nov 14 2132 UTC
- Comment:
Geophysical Alert Message Issued: Nov 14th, 2026 5:49:43 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1534
- Issue Time: 2026 Nov 14 2249 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2026 Nov 14 2127 UTC
- Estimate Velocity: 1972 km/s
- Comment:
Geophysical Alert Message Issued: Nov 14th, 2026 12:03:51 am
Space Weather Message Code: ALTEF3
- Serial Number: 3775
- Issue Time: 2026 Nov 14 0503 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3774
- Begin Time: 2026 Nov 08 2245 UTC
- Yesterday Maximum 2MeV Flux: 5223 pfu
- Max time: 2026 Nov 13 1700 UTC
Geophysical Alert Message Issued: Nov 13th, 2026 12:05:40 am
Space Weather Message Code: ALTEF3
- Serial Number: 3774
- Issue Time: 2026 Nov 13 0505 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3773
- Begin Time: 2026 Nov 08 2245 UTC
- Yesterday Maximum 2MeV Flux: 3235 pfu
- Max time: 2026 Nov 12 1515 UTC
Geophysical Alert Message Issued: Nov 12th, 2026 1:33:05 am
Space Weather Message Code: ALTEF3
- Serial Number: 3773
- Issue Time: 2026 Nov 12 0633 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3772
- Begin Time: 2026 Nov 08 2245 UTC
- Yesterday Maximum 2MeV Flux: 7897 pfu
- Max time: 2026 Nov 11 1555 UTC
Geophysical Alert Message Issued: Nov 11th, 2026 12:01:52 am
Space Weather Message Code: ALTEF3
- Serial Number: 3772
- Issue Time: 2026 Nov 11 0501 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3771
- Begin Time: 2026 Nov 08 2245 UTC
- Yesterday Maximum 2MeV Flux: 6420 pfu
- Max time: 2026 Nov 10 1550 UTC
Geophysical Alert Message Issued: Nov 10th, 2026 12:01:21 am
Space Weather Message Code: ALTEF3
- Serial Number: 3771
- Issue Time: 2026 Nov 10 0501 UTC
- CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu
- Continuation of Serial Number: 3770
- Begin Time: 2026 Nov 08 2245 UTC
- Yesterday Maximum 2MeV Flux: 4674 pfu
- Max time: 2026 Nov 09 1630 UTC
Geophysical Alert Message Issued: Nov 9th, 2026 10:02:27 pm
Space Weather Message Code: WARK04
- Serial Number: 5453
- Issue Time: 2026 Nov 10 0302 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 5452
- Valid From: 2026 Nov 09 0556 UTC
- Now Valid Until: 2026 Nov 10 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.


