:Product: 0827SGAS.txt
:Issued: 2025 Aug 27 0245 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 239 Issued at 0245Z on 27 Aug 2025
This report is compiled from data received at SWO on 26 Aug
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0022 0030 0035  4199        M3.3     210                           
 0509 0525 0540  4197 S21E47 M4.5  1n 150    310                    
 0658 0658 0658                       130                           
 1339 1407 1432  4202        M1.0                                   
B.  Proton Events:  The greater than 10 MeV proton flux reached a
maximum of 12.1 pfu at 26/2155 UTC.
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet to
unsettled.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 202  SSN 193  Afr/Ap 010/008   X-ray Background C2.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.0e+06   GT 10 MeV 7.6e+05 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.20e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 3 3 2 3 4 1 2 Planetary 2 3 2 3 2 1 1 2 
F.  Comments:  None.
