:Product: 0922SGAS.txt :Issued: 2023 Sep 22 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 265 Issued at 0245Z on 22 Sep 2023 This report is compiled from data received at SWO on 21 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0000 0419 IV 0132 0143 0206 3442 C2.2 140 0247 0248 0248 110 0551 0557 0605 3438 C1.6 760 0722 0723 0723 390 0747 0747 0747 190 1242 1254 1302 3435 M8.7 1647 1647 1648 220 1825 1825 1827 380 1951 1951 1951 1100 2310 2312 2313 1700 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 168 SSN 159 Afr/Ap 010/014 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.3e+04 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.80e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 3 1 3 2 2 2 Planetary 2 2 2 1 4 4 3 3 F. Comments: None