:Product: 20010403SGAS.txt :Issued: 2001 Apr 03 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 093 Issued at 0245Z on 03 Apr 2001 This report is compiled from data received at SWO on 02 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0014 0028 0040 9393 N17W57 M3.2 Sf 190 0501 0501 0501 180 0824 0824 0825 300 0919 0931 0937 9393 N17W62 C8.5 1f 170 0945 0952 0959 9393 N15W64 M1.9 Sf 1004 1014 1020 9393 N17W60 X1.4 1b 140 1058 1136 1205 X1.1 280 670 II/IV 2120 2120 2120 260 2132 2151 2203 X17.1 360 10000 II 2225 2228 2229 410 II 2248 2253 2329 11000 B. Proton Events: A 10 MeV proton event began at 02/2340Z. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 228 SSN 223 Afr/Ap 012/020 X-ray Background C6.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.4e+06 GT 10 MeV 1.6e+05 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.30e+07 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 4 4 3 2 3 3 4 Planetary 4 4 4 3 3 3 3 4 F. Comments: None