:Product: 0920SGAS.txt :Issued: 2005 Sep 20 0248 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 263 Issued at 0245Z on 20 Sep 2005 This report is compiled from data received at SWO on 19 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: Quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 091 SSN 043 Afr/Ap 010/008 X-ray Background B1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.0e+06 GT 10 MeV 6.0e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W113 degrees) Daily Electron Fluence GT 2 MeV 3.30e+09 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W74 degrees) 3 Hour K-indices: Boulder 2 1 3 3 3 3 3 1 Planetary 2 2 2 2 2 2 2 1 F. Comments: The grtr than 2 MeV electron fluence was very high.