:Product: 0420SGAS.txt :Issued: 2012 Apr 20 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 111 Issued at 0245Z on 20 Apr 2012 This report is compiled from data received at SWO on 19 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1105 1126 1144 C7.0 130 II/IV 1821 1821 1821 150 2112 2112 2112 100 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at mostly quiet levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 138 SSN 122 Afr/Ap 005/005 X-ray Background B5.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.10e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 0 0 2 2 2 2 Planetary 1 1 0 0 1 1 2 3 F. Comments: None