:Product: 0419SGAS.txt :Issued: 2014 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 2014 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 0004 0004 0004 190 0437 0437 0437 100 0834 0834 0834 160 0925 0925 0925 150 1231 1303 1320 2036 M7.3 160 1000 II/IV 2305 2306 2306 250 B. Proton Events: S1 (Minor) solar radiation storm conditions began at 18/1525 UTC and reached a peak value of 42 pfu at 18/2355 UTC. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 172 SSN 263 Afr/Ap 007/006 X-ray Background B8.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.5e+06 GT 10 MeV 8.1e+05 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.50e+06 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 1 2 2 2 2 3 Planetary 1 2 0 1 1 1 2 3 F. Comments: None.