:Product: 0501SGAS.txt :Issued: 2011 May 01 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 121 Issued at 0245Z on 01 May 2011 This report is compiled from data received at SWO on 30 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1308 1326 1420 1195 S16W71 C3.2 Sf B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to severe storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 110 SSN 076 Afr/Ap 017/024 X-ray Background B3.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+06 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.70e+06 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 3 4 4 4 3 3 3 Planetary 4 3 3 5 4 3 4 4 F. Comments: None