:Product: 1220SGAS.txt :Issued: 2007 Dec 20 0247 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 354 Issued at 0245Z on 20 Dec 2007 This report is compiled from data received at SWO on 19 Dec 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. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 075 SSN 000 Afr/Ap 008/008 X-ray Background A4.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.1e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W136 degrees) Daily Electron Fluence GT 2 MeV 3.20e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W77 degrees) 3 Hour K-indices: Boulder 2 4 3 3 3 2 2 2 Planetary 2 4 2 2 2 1 2 2 F. Comments: None