:Product: 20040218SGAS.txt :Issued: 2004 Feb 18 0245 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 049 Issued at 0245Z on 18 Feb 2004 This report is compiled from data received at SWO on 17 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 levels. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 102 SSN 022 Afr/Ap ???/005 X-ray Background A9.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.9e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W101 degrees) Daily Electron Fluence GT 2 MeV 1.40e+09 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 1 1 1 2 1 2 Planetary 2 2 1 2 2 1 1 2 F. Comments: The greater than 2 MeV electron fluence at geosynchronous orbit was at very high levels.