:Product: 0827SGAS.txt :Issued: 2018 Aug 27 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 239 Issued at 0245Z on 27 Aug 2018 This report is compiled from data received at SWO on 26 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 at unsettled to severe storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 071 SSN 026 Afr/Ap 034/070 X-ray Background A1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.7e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 1.20e+08 e/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) 3 Hour K-indices: Boulder 5 5 7 5 5 5 5 3 Planetary 5 6 7 5 6 6 5 3 F. Comments: None.