:Product: 1222SGAS.txt :Issued: 2023 Dec 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 356 Issued at 0245Z on 22 Dec 2023 This report is compiled from data received at SWO on 21 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0001 0006 0010 3529 S24E31 C5.4 Sf 1500 0353 0353 0353 470 0519 0538 0549 3519 S12W61 M4.2 1n 750 1015 1025 1029 3521 C2.2 220 2022 2030 2040 3519 C2.0 160 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 194 SSN 138 Afr/Ap 003/004 X-ray Background C1.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.2e+04 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.30e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 1 1 3 1 2 1 1 Planetary 2 0 0 2 1 1 1 1 F. Comments: None.