:Product: 1209SGAS.txt :Issued: 2025 Dec 09 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 343 Issued at 0245Z on 09 Dec 2025 This report is compiled from data received at SWO on 08 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0033 0036 0039 4294 S15W30 M2.0 1n 0334 0334 0334 250 0417 0427 0432 4294 S15W39 C6.2 Sf 310 0449 0501 0504 4298 S14W52 X1.1 2b 570 0513 0520 II 0640 0654 0704 4304 N22W09 M1.8 1n 0643 0643 0645 230 0850 0857 0906 4298 C8.0 160 0910 0910 0910 100 1242 1305 1321 4294 M1.0 1500 1505 1509 4294 S20W34 C3.7 Sf 400 1517 1517 1517 130 1929 1929 1929 150 2204 2228 2245 4299 M1.2 2356 0012 0023 4299 N20W12 M2.4 2n 100 II B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 186 SSN 146 Afr/Ap 001/002 X-ray Background C1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.5e+06 GT 10 MeV 2.2e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.20e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 0 0 0 0 1 1 2 1 Planetary 0 1 0 0 0 0 1 1 F. Comments: None