:Product: 0811SGAS.txt :Issued: 2025 Aug 11 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 223 Issued at 0245Z on 11 Aug 2025 This report is compiled from data received at SWO on 10 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0246 0312 0342 4168 N04W67 M1.7 Sf 0702 0711 0724 4172 N08E05 C3.5 Sf 160 0853 0853 0853 1400 1457 1507 1510 4168 N02W80 M2.2 Sf 1929 1929 1929 290 2251 2304 2315 4168 M1.7 120 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 153 SSN 155 Afr/Ap 017/022 X-ray Background C1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.4e+05 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 9.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 6 3 3 3 3 Planetary ? ? ? ? ? ? ? ? F. Comments: None.