:Product: 1204SGAS.txt :Issued: 2025 Dec 04 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 338 Issued at 0245Z on 04 Dec 2025 This report is compiled from data received at SWO on 03 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0059 0059 0059 160 0120 0131 0136 4299 N24E44 C4.1 Sf 1700 0139 0139 0139 240 0149 0153 0155 4600 0216 0223 0226 4297 C2.7 160 0216 0216 0216 140 0246 0246 0246 160 0329 0329 0329 440 0519 0519 0519 330 0532 0532 0532 2600 0646 0646 0646 23000 1008 1008 1008 280 1404 1409 1411 C3.8 1200 2327 2327 2327 140 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field reached strong storm levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 209 SSN 227 Afr/Ap 020/033 X-ray Background C1.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.2e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.20e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 2 5 5 4 5 4 Planetary 2 3 2 3 5 4 7 5 F. Comments: None