:Product: 0506SGAS.txt :Issued: 2011 May 06 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 126 Issued at 0245Z on 06 May 2011 This report is compiled from data received at SWO on 05 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0734 0734 0734 100 0741 0741 0741 100 1251 1251 1251 170 1355 1355 1355 140 1930 1930 1930 130 2037 2043 2051 1204 B4.2 240 2112 2112 2112 120 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to unsettled levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 105 SSN 095 Afr/Ap 005/007 X-ray Background B1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.3e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.40e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 3 1 2 1 2 1 Planetary 3 3 2 1 1 1 2 2 F. Comments: The greater than 2 MeV electron fluence at geosynchronous orbit reached high levels during the period.