:Product: 1218SGAS.txt
:Issued: 2023 Dec 18 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 352 Issued at 0245Z on 18 Dec 2023
This report is compiled from data received at SWO on 17 Dec
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 2008 2017 2021  3514        M1.1                                   
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field reached
severe storm levels due to CME influence.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 155  SSN 129  Afr/Ap 032/044   X-ray Background C1.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 8.3e+06   GT 10 MeV 3.7e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.30e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 3 4 4 5 5 6 3 3 Planetary 3 4 4 5 6 7 2 3 
F.  Comments:  None.