:Product: 0418SGAS.txt :Issued: 2010 Apr 18 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 108 Issued at 0245Z on 18 Apr 2010 This report is compiled from data received at SWO on 17 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 quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 074 SSN 000 Afr/Ap 001/002 X-ray Background A3.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.4e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W79 degrees) Daily Electron Fluence GT 2 MeV 1.60e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W79 degrees) 3 Hour K-indices: Boulder 2 0 1 0 1 0 1 1 Planetary 1 0 0 0 0 0 1 1 F. Comments: None