:Product: 0521SGAS.txt :Issued: 2007 May 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 141 Issued at 0245Z on 21 May 2007 This report is compiled from data received at SWO on 20 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0452 0556 0620 0956 B6.7 130 0554 0554 0554 110 0615 0615 0615 140 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 074 SSN 023 Afr/Ap 006/006 X-ray Background A1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 1.60e+07 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 2 1 2 1 1 2 2 Planetary 3 2 1 1 1 1 1 2 F. Comments: None