:Product: 1019SGAS.txt :Issued: 2025 Oct 19 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 292 Issued at 0245Z on 19 Oct 2025 This report is compiled from data received at SWO on 18 Oct A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0023 0040 0049 4246 M1.0 0105 0105 0105 810 0218 0224 0226 4246 C9.5 430 0226 0239 0247 4246 M1.1 0632 0639 0644 4246 M1.2 0649 0658 0704 4246 M1.3 1037 1051 1059 4246 M1.5 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field reached minor storm levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 156 SSN 105 Afr/Ap 020/036 X-ray Background C2.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.5e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.60e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 4 4 3 5 4 3 Planetary 4 4 ? ? ? ? ? ? F. Comments: None