:Product: 0916SGAS.txt
:Issued: 2026 Sep 16 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 259 Issued at 0245Z on 16 Sep 2026
This report is compiled from data received at SWO on 15 Sep
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 1850 1850 1850                       140                           
 1903 1903 1903                       150                           
 1905 1906 1906                       380                           
 1913 1913 1913                       410                           
 1932 1933 1934                       390                           
B.  Proton Events:  None
C.  Geomagnetic Activity Summary:  None
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 107  SSN 023  Afr/Ap 007/008   X-ray Background B2.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.6e+06   GT 10 MeV 4.2e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.80e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices:
Boulder 3 2 0 1 3 2 2 3 Planetary 3 2 0 1 2 1 2 3 
F.  Comments:  None