:Product: 1218SGAS.txt :Issued: 2006 Dec 18 0248 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 352 Issued at 0245Z on 18 Dec 2006 This report is compiled from data received at SWO on 17 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 has been quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 081 SSN 011 Afr/Ap 006/004 X-ray Background A5.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.0e+07 GT 10 MeV 3.7e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W136 degrees) Daily Electron Fluence GT 2 MeV 6.70e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W76 degrees) 3 Hour K-indices: Boulder 2 1 1 1 0 1 2 1 Planetary 2 1 0 0 0 1 1 1 F. Comments: The greater than 2 MeV electron fluence at geosynchronous orbit reached high levels today.