:Product: 1215SGAS.txt :Issued: 2023 Dec 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 349 Issued at 0245Z on 15 Dec 2023 This report is compiled from data received at SWO on 14 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0018 0018 0018 150 0622 0627 0631 3514 N06W43 C1.8 Sf 610 0711 0744 0800 3514 N04W41 M5.8 Sf 100 0754 0756 0756 120 0838 0838 0839 120 0844 0844 0844 100 1047 1047 1047 110 1329 1348 1408 3514 M2.3 1647 1702 1712 3514 X2.8 II/IV 1715 2034 IV 1716 1718 1836 3514 N04W51 1b 650000 4800 1845 1845 1845 100 1904 1908 1910 140 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field reached active levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 155 SSN 126 Afr/Ap 013/013 X-ray Background C1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+05 GT 10 MeV 2.2e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 3 3 4 3 3 1 2 Planetary 3 3 3 4 2 2 1 2 F. Comments: None