:Product: 0531SGAS.txt
:Issued: 2025 May 31 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 151 Issued at 0245Z on 31 May 2025
This report is compiled from data received at SWO on 30 May
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0241 0241 0241                       130                           
 0357 0357 0357                       150                           
 0556 0613 0619  4100 N06E55 M3.4  Sf 130           II              
 0642 0647 0653       N06E54       Sf                  IV           
 0944 0945 0956       N06E52       Sf 200                           
 1004 1004 1004                       140                           
 1137 1137 1138                       1300                          
 1201 1201 1201                       540                           
 1246 1246 1246                       130                           
 1354 1355 1355                       610                           
 1406 1406 1406                       240                           
 1447 1447 1451                       170                           
 1627 1627 1628                       140                           
 1755 1757 1800                       180                           
 1801 1801 1801                       130                           
 1822 1839 1854  4104 N06E46 M1.6  Sf                               
 1912 1913 1913                       250                           
 1943 1943 1943                       260                           
 2002 2002 2002                       120                           
 2004 2004 2004                       110                           
 2051 2058 2103  4100        C2.0     500                           
 2121 2121 2121                       110                           
 2353      2359                                     II              
B.  Proton Events:  None
C.  Geomagnetic Activity Summary:  Field conditions were at unsettled
to minor storm (G1-Minor) levels due to negative polarity coronal
hole high speed stream influence.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 157  SSN 107  Afr/Ap 018/018   X-ray Background C1.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.2e+06   GT 10 MeV 1.8e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 1.20e+08 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W0 degrees)
3 Hour K-indices:
Boulder 4 4 5 3 4 4 3 3 Planetary ? ? ? ? ? ? ? ? 
F.  Comments:  None
