:Product: 1215SGAS.txt :Issued: 2025 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 2025 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 0724 0742 0804 4296 C3.8 II B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was mostly quiet with an isolated unsettled period. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 119 SSN 078 Afr/Ap 005/007 X-ray Background B6.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.5e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.70e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 1 2 1 2 2 1 Planetary 3 2 1 2 1 1 2 1 F. Comments: None