:Product: 20021005SGAS.txt :Issued: 2002 Oct 05 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 278 Issued at 0245Z on 05 Oct 2002 This report is compiled from data received at SWO on 04 Oct A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0039 0043 0053 0137 S19W07 M1.0 Sf 0133 0133 0133 340 0534 0538 0541 0137 S19W09 M4.0 1n 90 1054 1105 1109 0137 S20W10 M3.5 1n 1243 1255 1307 0139 N08E49 M1.2 1f 52 38 II 1332 1332 1332 130 1704 1711 1715 0137 S21W16 M1.2 Sf 2232 2243 2251 0139 N13E43 M2.7 Sf 5300 140 II B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at predominantly active to major storm levels with an isolated severe storm period between 04/00 - 03Z. Though solar wind speed remains below 450 km/s, the Bz component of the interplanetary magnetic field was sustained southward for the entire period, ranging -2 to -12nT. The storm was gradually subsiding by the end of the period. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 158 SSN 098 Afr/Ap 035/048 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.0e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.00e+07 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 7 4 5 4 4 4 3 3 Planetary 7 5 6 5 4 3 4 4 F. Comments: None