:Product: 20030823SGAS.txt :Issued: 2003 Aug 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 235 Issued at 0245Z on 23 Aug 2003 This report is compiled from data received at SWO on 22 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field ranged from unsettled to major storm levels. The high speed stream induced disturbance continues. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 121 SSN 126 Afr/Ap 025/043 X-ray Background B3.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.3e+06 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W112 degrees) Daily Electron Fluence GT 2 MeV 1.90e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W76 degrees) 3 Hour K-indices: Boulder 6 5 5 4 4 4 3 3 Planetary 5 5 5 5 6 5 4 3 F. Comments: The Afr index reported in Part E is estimated from observed Boulder values.