:Product: 0913SGAS.txt :Issued: 2025 Sep 13 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 256 Issued at 0245Z on 13 Sep 2025 This report is compiled from data received at SWO on 12 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0655 0655 0655 110 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to unsettled levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 114 SSN 067 Afr/Ap 009/008 X-ray Background B5.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.3e+04 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.20e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 0 3 3 4 2 2 1 1 Planetary 1 3 3 3 2 2 2 1 F. Comments: None