:Product: 1222SGAS.txt :Issued: 2016 Dec 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 357 Issued at 0245Z on 22 Dec 2016 This report is compiled from data received at SWO on 21 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1748 1748 1748 130 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field reached severe storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 075 SSN 015 Afr/Ap 018/030 X-ray Background A6.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.5e+06 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.50e+06 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 2 2 3 3 5 ? ? Planetary 2 2 2 3 4 7 5 3 F. Comments: None.