:Product: 0419SGAS.txt :Issued: 2017 Apr 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 109 Issued at 0245Z on 19 Apr 2017 This report is compiled from data received at SWO on 18 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0044 0044 0044 140 0048 0049 0049 150 0100 0100 0100 100 0929 0941 0955 2651 C3.3 100 1921 2010 2049 2651 N14E77 C5.5 Sf II/IV B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was mostly quiet with an isolated unsettled period. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 080 SSN 012 Afr/Ap 006/006 X-ray Background A9.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.7e+07 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 4.40e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 0 1 1 2 2 2 3 Planetary 1 0 1 1 1 1 1 3 F. Comments: None