:Product: 0920SGAS.txt
:Issued: 2023 Sep 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 263 Issued at 0245Z on 20 Sep 2023
This report is compiled from data received at SWO on 19 Sep
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0345 0355 0401  3435 N07E54 M1.1  Sf 140                           
 0923 0938 0944  3435        M1.8                                   
 2001 2014 2021  3435        M4.0                                   
 2221 2237 2247  3435        C9.7     180                           
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field reached
Major storm levels.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 166  SSN 143  Afr/Ap 038/???   X-ray Background C1.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.4e+05   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.30e+07 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 4 6 4 4 4 4 3 2 Planetary 5 6 4 4 ? ? ? ? 
F.  Comments:  None