:Product: 0521SGAS.txt
:Issued: 2025 May 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 141 Issued at 0245Z on 21 May 2025
This report is compiled from data received at SWO on 20 May
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0000 0000 0000                       200                           
 2239 2247 2251  4093        C1.6     140    190                    
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 119  SSN 067  Afr/Ap 012/013   X-ray Background B5.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.4e+05   GT 10 MeV 1.6e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 3.80e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 3 4 4 3 3 2 3 Planetary 2 3 3 3 3 3 2 3 
F.  Comments:  None.
