:Product: 0104SGAS.txt :Issued: 2026 Jan 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 004 Issued at 0245Z on 04 Jan 2026 This report is compiled from data received at SWO on 03 Jan A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1723 1729 1732 4325 S07W41 C8.3 Sn 180 2026 2038 2045 4324 N28W22 C3.5 Sf 150 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached unsettled levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 165 SSN 136 Afr/Ap 010/012 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.7e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.90e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 2 2 4 3 3 2 Planetary 3 3 2 2 3 3 3 1 F. Comments: None.