Viewing archive of Sunday, 31 August 2025

Geophysical report

Solar and Geophysical Activity Summary 2025 Aug 31 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 243 Issued at 0245Z on 31 Aug 2025 This report is compiled from data received at SWO on 30 Aug
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 1400 1409 1423  4197        M1.3                                   
 1551 1559 1612  4197        M1.2                                   
 1911 2002 2041  4199        M2.7                                   
B. Proton Events
The greater than 10 MeV proton flux remained elevated, but continued a gradual decline toward background levels.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 317  SSN 183  Afr/Ap 008/???   X-ray Background C1.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.3e+06   GT 10 MeV 1.5e+05 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.30e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 2 2 2 3 4 2 3 Planetary 2 1 2 2 2 2 2 2 
F. Comments
  None

All times in UTC

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