:Product: 0517SGAS.txt :Issued: 2011 May 17 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 137 Issued at 0245Z on 17 May 2011 This report is compiled from data received at SWO on 16 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: Activity ranged from quiet to active levels with minor storm periods observed at high latitudes. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 092 SSN 063 Afr/Ap 010/012 X-ray Background B1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.8e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 5.60e+06 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 3 3 3 2 2 2 Planetary 2 2 3 3 4 3 2 3 F. Comments: None