:Product: 0826SGAS.txt
:Issued: 2025 Aug 26 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 238 Issued at 0245Z on 26 Aug 2025
This report is compiled from data received at SWO on 25 Aug
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0501 0524 0540  4199        M4.5                                   
 0904 0907 0909  4197        M1.0                                   
 1506 1518 1528  4199        M1.2                                   
 1530 1538 1541  4199        M1.1                                   
B.  Proton Events:  The greater than 10 MeV proton event that began
at 25/1355 UTC, reached a current maximum of 10.3 pfu at 25/1415
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 175  SSN 136  Afr/Ap 007/008   X-ray Background C2.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.5e+06   GT 10 MeV 6.7e+05 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 4.10e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 1 1 0 1 3 3 2 1 Planetary 1 1 1 1 3 3 2 2 
F.  Comments:  None.
