:Product: 20020824SGAS.txt :Issued: 2002 Aug 24 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 236 Issued at 0245Z on 24 Aug 2002 This report is compiled from data received at SWO on 23 Aug A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0531 0549 0554 0085 S04E22 M1.7 2n 200 58 II 0800 0946 1014 0069 S07W74 M1.5 1n 100 0906 0906 0906 410 1156 1200 1210 0069 S07W75 M1.2 Sf 1305 1314 1324 0087 S03E64 M1.5 2n 1415 0000 1716 IV 2009 2021 2128 0083 S17W15 M1.4 2f B. Proton Events: The greater than 10 MeV proton event that began at 22/0440 UTC ended at 23/0040 UTC. The event reached a maximum of 36 pfu at 22/0940 UTC. C. Geomagnetic Activity Summary: The geomagnetic field has been quiet to unsettled. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 210 SSN 207 Afr/Ap 008/011 X-ray Background C1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.9e+06 GT 10 MeV 2.4e+05 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 3 1 2 1 2 3 3 3 Planetary 2 3 2 2 3 3 3 3 F. Comments: None