:Product: 0422SGAS.txt :Issued: 2018 Apr 22 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 112 Issued at 0245Z on 22 Apr 2018 This report is compiled from data received at SWO on 21 Apr 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 unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 077 SSN 034 Afr/Ap 010/010 X-ray Background A6.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.5e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 5.50e+08 e/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) 3 Hour K-indices: Boulder 3 3 3 3 3 3 2 1 Planetary 3 3 3 2 2 3 2 2 F. Comments: The greater than 2 MeV electron fluence was at high levels.