:Product: 20030727SGAS.txt :Issued: 2003 Jul 27 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 208 Issued at 0245Z on 27 Jul 2003 This report is compiled from data received at SWO on 26 Jul 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 at quiet to minor storm conditions. Solar wind speeds began to steadily increase after 26/1830 UTC from around 400 km/s to above 600 km/s, with a sustained southward Bz. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 103 SSN 052 Afr/Ap 020/026 X-ray Background B2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.3e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W113 degrees) Daily Electron Fluence GT 2 MeV 1.10e+06 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 3 4 5 4 5 Planetary 3 3 3 3 4 5 5 5 F. Comments: None