:Product: 0915SGAS.txt :Issued: 2023 Sep 15 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 258 Issued at 0245Z on 15 Sep 2023 This report is compiled from data received at SWO on 14 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0640 0745 0839 3429 M1.4 1656 1656 1656 170 1923 1931 1940 3429 N12E09 M1.9 Sn 460 2117 2126 2132 3429 N12E08 M2.5 Sn B. Proton Events: None C. Geomagnetic Activity Summary: Field conditions were at quiet to minor storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 145 SSN 110 Afr/Ap 013/024 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.0e+06 GT 10 MeV 2.4e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 2 3 2 2 2 4 4 Planetary 4 3 3 2 3 5 5 4 F. Comments: None