:Product: 20050226SGAS.txt :Issued: 2005 Feb 26 0250 UT # 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 057 Issued at 0245Z on 26 Feb 2005 This report is compiled from data received at SWO on 25 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 quiet to active. Active periods due to the effects of a geoeffective high speed stream. Solar wind speed at ACE has increased from approximately 450 km/s to 550 km/s. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 078 SSN 015 Afr/Ap 008/009 X-ray Background A2.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.9e+05 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W110 degrees) Daily Electron Fluence GT 2 MeV 7.50e+06 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 2 3 3 4 4 2 Planetary 1 1 2 2 2 3 3 2 F. Comments: None