:Product: 1225SGAS.txt :Issued: 2023 Dec 25 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 359 Issued at 0245Z on 25 Dec 2023 This report is compiled from data received at SWO on 24 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0124 0124 0124 170 0643 0643 0644 110 0806 0816 0821 3529 S20W25 C3.7 Sf 170 0821 0821 0821 120 0827 0827 0827 160 0856 0907 0911 3530 C2.1 110 1005 1005 1005 660 1109 1118 1124 3529 S20W27 M2.9 1n 2300 1637 1649 1656 3529 S17W33 M2.6 1f 1921 1951 2016 M1.1 2328 2340 2347 3529 S21W33 C5.0 Sf 190 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 183 SSN 113 Afr/Ap 007/007 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.2e+04 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 3 3 2 2 2 1 Planetary 2 3 2 3 2 1 0 1 F. Comments: None.