:Product: 0721SGAS.txt
:Issued: 2026 Jul 21 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 202 Issued at 0245Z on 21 Jul 2026
This report is compiled from data received at SWO on 20 Jul
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0240 0240 0240                       350                           
 0252 0252 0253                       230                           
 0305 0305 0305                       240                           
 0310 0310 0312                       290                           
 0327 0327 0327                       23000                         
 0330 0330 0331                       1200                          
 0333 0333 0333                       2000                          
 0337 0338 0338                       940                           
 0858 0859 0859                       240                           
 0942 0945 0945                       250                           
 1429 1436 1440  4493        M2.5     240                           
 1908 1920 1926  4493        M1.1     160                           
 2215 2225 2231              M3.4                                   
 2314 2314 2314                       100                           
 2352 2352 2352                       100                           
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 137  SSN 074  Afr/Ap 004/004   X-ray Background C1.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.6e+05   GT 10 MeV 1.8e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 5.90e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W72 degrees)
3 Hour K-indices:
Boulder 2 0 1 1 1 2 2 2 Planetary 1 1 1 1 1 1 1 1 
F.  Comments:  None.