:Product: 0101SGAS.txt :Issued: 2026 Jan 01 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 001 Issued at 0245Z on 01 Jan 2026 This report is compiled from data received at SWO on 31 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0537 0537 0537 150 0738 0738 0738 210 1003 1012 1016 4324 C3.8 350 1023 1023 1023 2100 1030 1031 1031 1100 1220 1220 1220 190 1312 1351 1411 4324 M7.1 2300 550 II/IV 1424 1428 1445 310 340 1747 1747 1747 390 2303 2303 2304 400 B. Proton Events: None. C. Geomagnetic Activity Summary: Geomagnetic activity was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 171 SSN 127 Afr/Ap 007/007 X-ray Background C1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.0e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 3 3 3 2 2 1 Planetary 2 1 2 2 3 1 1 1 F. Comments: None.