:Product: 0825SGAS.txt :Issued: 2025 Aug 25 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 237 Issued at 0245Z on 25 Aug 2025 This report is compiled from data received at SWO on 24 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0826 0836 0842 M1.3 1329 1329 1329 170 1546 1546 1546 250 1601 1601 1601 160 1859 1859 1859 100 2217 2217 2218 100 B. Proton Events: The greater than 10 MeV proton flux remained enhanced following flare activity from beyond the east limb, reaching a peak flux of just over 8 pfu at 24/2330 UTC. C. Geomagnetic Activity Summary: The geomagnetic field was quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 152 SSN 102 Afr/Ap 005/006 X-ray Background C2.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.8e+06 GT 10 MeV 2.6e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 5.60e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 1 1 2 3 2 2 Planetary 2 2 1 1 1 1 2 2 F. Comments: None