:Product: 0818SGAS.txt :Issued: 2013 Aug 18 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 230 Issued at 0245Z on 18 Aug 2013 This report is compiled from data received at SWO on 17 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0146 0146 0146 250 1816 1824 1835 1818 S07W30 M3.3 2b 110 1842 1842 1842 120 1849 1933 1954 1818 M1.4 260 150 II/IV 1855 1855 1855 100 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet with an isolated unsettled period at the beginning of the day due to coronal hole high speed stream effects. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 125 SSN 096 Afr/Ap 009/008 X-ray Background B3.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.6e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.80e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 3 2 2 2 2 2 Planetary 3 2 2 1 2 2 2 2 F. Comments: None