:Product: 0121SGAS.txt :Issued: 2007 Jan 21 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 021 Issued at 0245Z on 21 Jan 2007 This report is compiled from data received at SWO on 20 Jan 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 quiet to unsettled. Solar wind speed at ACE has decreased from approximately 650 km/s to 570 km/s. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 079 SSN 031 Afr/Ap 008/007 X-ray Background A1.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.6e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 5.30e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 2 3 3 1 1 2 2 Planetary 3 1 2 2 1 1 2 2 F. Comments: The greater than 2 MeV electron fluence at geosynchronous orbit reached high levels today.