:Product: 0827SGAS.txt :Issued: 2023 Aug 27 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 239 Issued at 0245Z on 27 Aug 2023 This report is compiled from data received at SWO on 26 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0034 0035 0035 110 0054 0055 0055 120 0146 0148 0148 100 0259 0259 0259 100 1244 1302 1326 3405 N10W70 C1.9 1f II 2141 2150 2155 C2.6 440 2205 2250 2342 M1.1 2212 2212 2213 310 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached unsettled levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 139 SSN 075 Afr/Ap 009/007 X-ray Background B5.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.5e+04 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.50e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 3 2 2 3 2 2 2 Planetary 2 2 3 2 2 2 1 2 F. Comments: None.