:Product: 20040729SGAS.txt :Issued: 2004 Jul 29 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 211 Issued at 0245Z on 29 Jul 2004 This report is compiled from data received at SWO on 28 Jul A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0905 0911 0911 100 1030 1030 1030 780 2345 0006 0016 0652 M2.0 B. Proton Events: The greater than 10 MeV proton event that began on 25/1855Z, ended on 28/0040Z. The peak flux was 2,090 pfu at 26/2250Z. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. Yesterday's severe geomagnetic storm ended by 28/0000Z. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 101 SSN 066 Afr/Ap 013/014 X-ray Background B4.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.9e+07 GT 10 MeV 3.5e+05 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W97 degrees) Daily Electron Fluence GT 2 MeV 4.50e+09 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 3 2 3 2 3 3 Planetary 3 3 3 3 3 3 2 3 F. Comments: The greater than 2 MeV electron fluence was at very high levels.