:Product: 0426SGAS.txt :Issued: 2012 Apr 26 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 117 Issued at 0245Z on 26 Apr 2012 This report is compiled from data received at SWO on 25 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1019 1019 1019 160 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to major storm levels with an isolated period of severe storm levels at high latitudes. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 127 SSN 137 Afr/Ap 018/031 X-ray Background B4.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.0e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.10e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 4 4 4 2 3 4 3 Planetary 4 4 4 3 3 4 6 4 F. Comments: None