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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 28th, 2024 1:01:55 am
Space Weather Message Code: SUMSUD
- Serial Number: 281
- Issue Time: 2024 Oct 28 0501 UTC
- SUMMARY: Geomagnetic Sudden Impulse
- Observed: 2024 Oct 28 0446 UTC
- Deviation: 48 nT
- Station: CNB
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
Geophysical Alert Message Issued: Oct 28th, 2024 12:41:13 am
Space Weather Message Code: WARK06
- Serial Number: 553
- Issue Time: 2024 Oct 28 0441 UTC
- WARNING: Geomagnetic K-Index of 6 expected
- Valid From: 2024 Oct 28 0440 UTC
- Valid To: 2024 Oct 28 1200 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: Oct 28th, 2024 12:24:59 am
Space Weather Message Code: WARSUD
- Serial Number: 237
- Issue Time: 2024 Oct 28 0424 UTC
- WARNING: Geomagnetic Sudden Impulse expected
- Valid From: 2024 Oct 28 0440 UTC
- Valid To: 2024 Oct 28 0540 UTC
- IP Shock Passage Observed: 2024 Oct 28 0415 UTC
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
Geophysical Alert Message Issued: Oct 28th, 2024 12:28:55 am
Space Weather Message Code: WARK04
- Serial Number: 4739
- Issue Time: 2024 Oct 28 0428 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4738
- Valid From: 2024 Oct 26 1538 UTC
- Now Valid Until: 2024 Oct 28 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: Oct 27th, 2024 7:55:09 pm
Space Weather Message Code: WARPX1
- Serial Number: 583
- Issue Time: 2024 Oct 27 2355 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 582
- Valid From: 2024 Oct 26 1638 UTC
- Now Valid Until: 2024 Oct 28 2359 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S2 - Moderate
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Oct 27th, 2024 10:55:55 am
Space Weather Message Code: WARK04
- Serial Number: 4738
- Issue Time: 2024 Oct 27 1455 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4737
- Valid From: 2024 Oct 26 1538 UTC
- Now Valid Until: 2024 Oct 28 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: Oct 27th, 2024 8:20:25 am
Space Weather Message Code: WATA30
- Serial Number: 244
- Issue Time: 2024 Oct 27 1220 UTC
- WATCH: Geomagnetic Storm Category G2 Predicted
- Highest Storm Level Predicted by Day:
- Oct 27: None (Below G1) Oct 28: G2 (Moderate) Oct 29: G1 (Minor)
- THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
- Comment: Upgraded 28 Oct to G2 and added G1 for 29 Oct.
- 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 27th, 2024 5:02:47 am
Space Weather Message Code: ALTPX2
- Serial Number: 75
- Issue Time: 2024 Oct 27 0902 UTC
- ALERT: Proton Event 10MeV Integral Flux exceeded 100pfu
- Begin Time: 2024 Oct 27 0835 UTC
- NOAA Scale: S2 - Moderate
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radiation - Passengers and crew in high latitude, high altitude flights may experience small, increased radiation exposures.
- Spacecraft - Infrequent single-event upsets to satellites are possible.
- Radio - Small effects on polar HF (high frequency) propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Oct 27th, 2024 1:55:17 am
Space Weather Message Code: WARPX1
- Serial Number: 582
- Issue Time: 2024 Oct 27 0555 UTC
- EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
- Extension to Serial Number: 581
- Valid From: 2024 Oct 26 1638 UTC
- Now Valid Until: 2024 Oct 27 2359 UTC
- Warning Condition: Persistence
- Predicted NOAA Scale: S1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Geophysical Alert Message Issued: Oct 26th, 2024 10:04:00 pm
Space Weather Message Code: WARK04
- Serial Number: 4737
- Issue Time: 2024 Oct 27 0204 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4736
- Valid From: 2024 Oct 26 1538 UTC
- Now Valid Until: 2024 Oct 27 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 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.
