:Product: 0414SGAS.txt :Issued: 2018 Apr 14 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 104 Issued at 0245Z on 14 Apr 2018 This report is compiled from data received at SWO on 13 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: Field activity was at quiet to active levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 070 SSN 014 Afr/Ap 008/008 X-ray Background A2.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.3e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 4.90e+08 e/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) 3 Hour K-indices: Boulder 3 2 3 2 1 2 2 3 Planetary 4 2 2 1 1 1 2 2 F. Comments: The greater than 2 MeV electron fluence at GOES-15 reached high levels.