:Product: 20031027SGAS.txt :Issued: 2003 Oct 27 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 300 Issued at 0245Z on 27 Oct 2003 This report is compiled from data received at SWO on 26 Oct A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0121 0122 0124 910 0557 0654 0733 0486 S15E44 X1.2 3b 14000 4000 II/IV 0959 1004 1025 2200 94 1113 1115 1116 150 1607 1608 1608 450 1721 1819 1921 0484 N02W38 X1.2 1n 1100 2000 II 2134 2140 2148 0484 N01W38 M7.6 2n 57 2332 2332 2332 110 B. Proton Events: The greater than 10 MeV electrons at geosynchronous orbit reached 10 pfu at26/1825 UTC and have remained above 100 pfu levels. C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to active levels. D. Stratwarm: None. E. Daily Indices: (real-time preliminary/estimated values) 10 cm 298 SSN 191 Afr/Ap 008/010 X-ray Background C2.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.7e+07 GT 10 MeV 4.7e+06 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W108 degrees) Daily Electron Fluence GT 2 MeV 1.10e+07 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W76 degrees) 3 Hour K-indices: Boulder 1 1 2 2 2 3 4 4 Planetary 2 2 2 3 2 3 3 3 F. Comments: None.