:Product: 1205SGAS.txt :Issued: 2025 Dec 05 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 339 Issued at 0245Z on 05 Dec 2025 This report is compiled from data received at SWO on 04 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0236 0250 0259 4300 N06E54 M6.0 1f 120000 II 0648 0651 0651 510 0726 0726 0726 150 0735 0735 0735 180 0832 1012 IV 1351 1351 1351 300 1625 1625 1626 300 1800 1805 1808 4294 S17E16 C3.8 Sf 4200 1900 1909 1915 4298 C3.3 250 2037 2039 2039 840 2147 2147 2147 360 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was at active to minor geomagnetic storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 220 SSN 165 Afr/Ap 024/032 X-ray Background C1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.2e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.40e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 5 4 3 4 4 4 3 2 Planetary 5 5 5 4 4 4 4 3 F. Comments: None.