:Product: 0508SGAS.txt :Issued: 2011 May 08 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 128 Issued at 0245Z on 08 May 2011 This report is compiled from data received at SWO on 07 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0725 0725 0725 120 0841 0841 0841 140 1101 1101 1101 160 1220 1220 1220 190 2333 2333 2333 280 2355 2356 2356 160 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 102 SSN 038 Afr/Ap 003/004 X-ray Background B1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.7e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.40e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 1 1 2 3 2 1 Planetary 1 1 1 0 2 2 1 2 F. Comments: The greater than 2 MeV electron fluence at geosynchronous orbit was at high levels.