:Product: 1018SGAS.txt
:Issued: 2025 Oct 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 291 Issued at 0245Z on 18 Oct 2025
This report is compiled from data received at SWO on 17 Oct
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0115 0128 0140  4246 N24W66 M1.5  1f                               
 1145 1145 1145                       120                           
 1227 1245 1301  4246        M1.1                                   
 1422 1432 1436  4246 N22W75 M1.0  Sf                               
 1614 1632 1647  4246        M1.3            130                    
 1647 1658 1708  4246        M1.2                                   
 1855 1855 1855                       310                           
 1855 1905 1912  4246 N22W78 M1.1  Sf                               
 2043 2043 2043                       250                           
 2251 2251 2251                       410                           
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 164  SSN 120  Afr/Ap 008/009   X-ray Background C3.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.2e+06   GT 10 MeV 1.6e+04 p/(cm2-ster-day)
(GOES-18 satellite synchronous orbit W137 degrees)
Daily Electron Fluence
GT 2 MeV 6.80e+07 e/(cm2-ster-day)
(GOES-19 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 2 2 4 3 4 1 2 Planetary 2 2 3 3 2 3 1 2 
F.  Comments:  None.
