:Product: 0912SGAS.txt
:Issued: 2026 Sep 12 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 255 Issued at 0245Z on 12 Sep 2026
This report is compiled from data received at SWO on 11 Sep
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0013 0013 0013                       120                           
 0236 0241 0241                       620                           
 0244 0244 0245                       1400                          
 0822 0822 0822                       380                           
 2207 2207 2207                       100                           
B.  Proton Events:  None.
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 110  SSN 088  Afr/Ap 009/008   X-ray Background B3.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.5e+05   GT 10 MeV 2.1e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 2.20e+08 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices:
Boulder 1 3 3 3 2 2 2 2 Planetary 1 3 2 3 2 2 1 2 
F.  Comments:  None