:Product: 1216SGAS.txt :Issued: 2023 Dec 16 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 350 Issued at 0245Z on 16 Dec 2023 This report is compiled from data received at SWO on 15 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0703 0715 0723 3514 M6.3 250 1200 IV 0723 0734 0743 3514 M6.9 320 B. Proton Events: The greater than 10 MeV Proton flux at GOES-16 reached 12pfu at the end of the UT day. C. Geomagnetic Activity Summary: The geomagnetic field reached active levels in response to transient influence. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 144 SSN 130 Afr/Ap 008/011 X-ray Background C1.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.7e+07 GT 10 MeV 2.3e+05 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 4.00e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 1 3 3 4 2 2 Planetary 1 1 0 2 3 4 3 3 F. Comments: None.