:Product: 0914SGAS.txt :Issued: 2023 Sep 14 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 257 Issued at 0245Z on 14 Sep 2023 This report is compiled from data received at SWO on 13 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0443 0443 0443 200 1114 1114 1114 460 B. Proton Events: None C. Geomagnetic Activity Summary: Conditions reached minor geomagnetic storm levels early in the day. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 143 SSN 109 Afr/Ap 017/018 X-ray Background B7.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.5e+05 GT 10 MeV 2.0e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.30e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 4 2 3 4 3 2 3 Planetary 5 4 4 3 3 3 2 3 F. Comments: None