:Product: 20030923SGAS.txt :Issued: 2003 Sep 23 0245 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 266 Issued at 0245Z on 23 Sep 2003 This report is compiled from data received at SWO on 22 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 2115 2115 2115 110 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field ranged from quiet to active levels D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 123 SSN 091 Afr/Ap 017/018 X-ray Background B2.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+06 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W110 degrees) Daily Electron Fluence GT 2 MeV 6.80e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 4 3 4 3 3 4 2 Planetary 3 4 4 4 4 3 4 2 F. Comments: Today's greater than 2 MeV electron fluence was high