:Product: 0804SGAS.txt :Issued: 2011 Aug 04 0245 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 216 Issued at 0245Z on 04 Aug 2011 This report is compiled from data received at SWO on 03 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0156 0156 0156 210 0158 0158 0158 210 0308 0337 0351 1261 N17W24 M1.1 Sf 0429 0432 0435 1263 N15E08 M1.7 1f 130 0642 0646 0649 1261 N15W27 C1.1 Sf 0658 0658 0658 160 0738 0758 0806 1261 N15W29 C8.7 Sn 1204 1204 1204 560 1317 1348 1410 1261 N16W30 M6.0 2b 1400 180 II/IV 1912 2359 IV 1923 1930 1942 1261 N13W36 C8.5 Sf 230 2059 2349 IV 2313 2359 IV B. Proton Events: The GOES 13 satellite observed an enhancement of the 10 MeV protons. C. Geomagnetic Activity Summary: The geomagnetic field has been quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 120 SSN 066 Afr/Ap 003/002 X-ray Background B4.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.0e+05 GT 10 MeV 3.7e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 4.10e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 0 0 1 2 3 1 1 Planetary 1 0 0 0 1 1 1 1 F. Comments: None.