:Product: 1206SGAS.txt :Issued: 2025 Dec 06 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 340 Issued at 0245Z on 06 Dec 2025 This report is compiled from data received at SWO on 05 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0155 0155 0156 150 0227 0227 0227 350 1333 1333 1333 210 1544 1549 1559 4299 N21E16 Sf 310 1815 1815 1815 100 1817 1817 1817 120 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet and unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 206 SSN 133 Afr/Ap 010/013 X-ray Background C1.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.7e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.00e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 3 2 3 3 2 Planetary 3 3 3 2 2 2 3 3 F. Comments: None.