:Product: 0828SGAS.txt :Issued: 2018 Aug 28 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 240 Issued at 0245Z on 28 Aug 2018 This report is compiled from data received at SWO on 27 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to minor storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 070 SSN 012 Afr/Ap 020/026 X-ray Background A1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.2e+06 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 8.80e+08 e/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) 3 Hour K-indices: Boulder 2 3 3 5 4 4 4 3 Planetary 1 3 3 4 4 5 5 2 F. Comments: The GT 2 MeV electron fluence reached high levels.