:Product: 0809SGAS.txt :Issued: 2011 Aug 09 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 221 Issued at 0245Z on 09 Aug 2011 This report is compiled from data received at SWO on 08 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1605 1605 1605 120 1732 1732 1732 120 1800 1810 1818 1263 N16W61 M3.5 1b 520 300 II 1832 1833 1833 160 1847 1848 1849 150 1936 1936 1936 100 1951 1951 1951 100 B. Proton Events: The 10 MeV protons were enhanced to 3 pfus during the past 24 hours. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled during the past 24 hours. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 102 SSN 080 Afr/Ap 008/010 X-ray Background B3.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.7e+06 GT 10 MeV 4.5e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.10e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 2 3 3 2 1 2 Planetary 3 3 2 3 3 2 2 2 F. Comments: None