:Product: 20040821SGAS.txt :Issued: 2004 Aug 21 0250 UT # 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 234 Issued at 0245Z on 21 Aug 2004 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 1529 1529 1529 130 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field has been quiet to active. D. Stratwarm: None. E. Daily Indices: (real-time preliminary/estimated values) 10 cm 121 SSN 085 Afr/Ap 012/014 X-ray Background B3.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.9e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W98 degrees) Daily Electron Fluence GT 2 MeV 1.70e+06 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 3 3 4 3 3 Planetary 3 3 3 4 3 3 3 3 F. Comments: None.