:Product: 1223SGAS.txt :Issued: 2023 Dec 23 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 357 Issued at 0245Z on 23 Dec 2023 This report is compiled from data received at SWO on 22 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0317 0317 0318 150 0329 0329 0329 200 0418 0418 0418 120 2342 0004 0019 3519 S10W72 M3.3 1n B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 187 SSN 157 Afr/Ap 003/002 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.9e+04 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 8.70e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 0 1 1 1 1 2 1 1 Planetary 0 1 1 0 0 1 0 1 F. Comments: None.