:Product: 0519SGAS.txt :Issued: 2015 May 19 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 139 Issued at 0245Z on 19 May 2015 This report is compiled from data received at SWO on 18 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1427 1437 II 2341 2341 2341 110 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled until the last period of the day, when it reached minor storm conditions. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 115 SSN 083 Afr/Ap 015/014 X-ray Background B4.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.6e+05 GT 10 MeV 1.0e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.40e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 2 3 4 3 3 5 Planetary 2 2 2 2 3 2 3 5 F. Comments: None