:Product: 0812SGAS.txt :Issued: 2025 Aug 12 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 224 Issued at 0245Z on 12 Aug 2025 This report is compiled from data received at SWO on 11 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0342 0352 0359 4173 M1.3 1420 1435 1457 4168 N02W86 M1.5 Sf 1518 1536 1551 4168 M1.6 1933 1933 1933 240 2128 2135 2143 C3.9 150 2229 2229 2229 200 2337 2337 2337 100 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 146 SSN 157 Afr/Ap 017/??? X-ray Background C2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.0e+05 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.10e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 4 3 3 3 3 2 3 Planetary 4 2 3 3 3 4 3 3 F. Comments: None