:Product: 0718SGAS.txt :Issued: 2017 Jul 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 199 Issued at 0245Z on 18 Jul 2017 This report is compiled from data received at SWO on 17 Jul A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0403 0407 0409 2665 B3.2 600 0432 0432 0432 110 0432 0432 0432 130 0453 0453 0453 120 0539 0539 0539 120 0709 0709 0709 170 1013 1017 1020 B4.4 1500 1641 1641 1641 100 1658 1658 1658 110 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached major storm levels during the 17/1500-1800 UTC synoptic period, due to the continued influence of a CME. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 086 SSN 013 Afr/Ap 023/033 X-ray Background B2.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.2e+07 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W74 degrees) Daily Electron Fluence GT 2 MeV 2.80e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W74 degrees) 3 Hour K-indices: Boulder 3 5 5 4 4 4 2 2 Planetary 3 4 5 5 4 6 2 3 F. Comments: None