:Product: 0407SGAS.txt :Issued: 2010 Apr 07 0246 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 097 Issued at 0245Z on 07 Apr 2010 This report is compiled from data received at SWO on 06 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to major storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 078 SSN 041 Afr/Ap 022/046 X-ray Background A3.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.6e+07 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 2.50e+09 e/(cm2-ster-day) (GOES-11 satellite synchronous orbit W135 degrees) 3 Hour K-indices: Boulder 5 6 4 4 4 4 2 4 Planetary 6 6 4 5 4 5 5 4 F. Comments: The greater than 2 MeV electron fluence at geosynchronous orbit was very high.