:Product: 0220SGAS.txt :Issued: 2018 Feb 20 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 051 Issued at 0245Z on 20 Feb 2018 This report is compiled from data received at SWO on 19 Feb 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 quiet to active levels with an isolated interval of minor storm conditions early on 19 Feb under negative polarity CH HSS influence. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 069 SSN 000 Afr/Ap 011/014 X-ray Background A2.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.4e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 3.20e+08 e/(cm2-ster-day) (GOES-15 satellite synchronous orbit W135 degrees) 3 Hour K-indices: Boulder 5 4 2 1 2 2 3 2 Planetary 5 4 1 1 2 2 3 2 F. Comments: None