:Product: 20030821SGAS.txt :Issued: 2003 Aug 21 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 233 Issued at 0245Z on 21 Aug 2003 This report is compiled from data received at SWO on 20 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 was mostly quiet to unsettled with isolated active periods. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 112 SSN 062 Afr/Ap 012/015 X-ray Background B2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.7e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W112 degrees) Daily Electron Fluence GT 2 MeV 6.20e+07 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W76 degrees) 3 Hour K-indices: Boulder 2 3 4 2 3 4 3 4 Planetary 2 3 4 2 3 3 3 4 F. Comments: The Afr index reported in Part E is estimated from Boulder observed values.