:Product: 0820SGAS.txt
:Issued: 2026 Aug 20 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 232 Issued at 0245Z on 20 Aug 2026
This report is compiled from data received at SWO on 19 Aug
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0311 0311 0311                       130                           
 0943 0943 0943                       120                           
 1402 1407 1409  4507 N00W56 C3.6  Sf 170                           
 1824 1851 1910  4513        M1.0                                   
 2323 2323 2323                       120                           
 2332 2334 2334                       160                           
B.  Proton Events:  None
C.  Geomagnetic Activity Summary:  The geomagnetic field reached
minor storm levels
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 126  SSN 078  Afr/Ap 015/020   X-ray Background B9.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.8e+05   GT 10 MeV 2.0e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.70e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices:
Boulder 2 5 4 5 3 3 2 2 Planetary 3 5 4 4 3 2 2 3 
F.  Comments:  None