:Product: 1023SGAS.txt :Issued: 2025 Oct 23 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 296 Issued at 0245Z on 23 Oct 2025 This report is compiled from data received at SWO on 22 Oct A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0907 0907 0907 240 1504 1504 1504 110 B. Proton Events: The greater than 10 MeV proton flux was enhanced due to the far-sided asymmetric halo CME that erupted yesterday, and reached a maximum of 3.62 pfu at 22/1030Z. 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 133 SSN 117 Afr/Ap 003/004 X-ray Background B8.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.1e+05 GT 10 MeV 1.3e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.80e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 0 0 1 1 2 3 1 2 Planetary 1 1 1 1 1 1 1 2 F. Comments: None