:Product: 1020SGAS.txt :Issued: 2025 Oct 20 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 293 Issued at 0245Z on 20 Oct 2025 This report is compiled from data received at SWO on 19 Oct A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0146 0156 0204 4246 M1.0 1226 1242 1304 4256 C2.6 510 1402 1402 1402 120 1417 1417 1417 100 1434 1434 1434 110 1446 1446 1447 120 1451 1451 1453 180 1505 1506 1506 100 1732 1732 1732 110 2003 2015 2026 4246 M1.8 2130 2130 2131 180 2134 2134 2134 110 2145 2145 2145 160 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 149 SSN 103 Afr/Ap 011/018 X-ray Background C1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.2e+05 GT 10 MeV 1.5e+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 4 2 2 2 4 4 3 3 Planetary 5 3 2 3 3 3 3 3 F. Comments: None