:Product: 20010915SGAS.txt :Issued: 2001 Sep 15 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 258 Issued at 0245Z on 15 Sep 2001 This report is compiled from data received at SWO on 14 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0551 0606 0624 9616 S10E46 C5.8 Sf 110 71 2141 2150 2200 9616 M3.7 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 237 SSN 216 Afr/Ap 010/010 X-ray Background C2.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.0e+06 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.60e+05 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 2 1 2 2 1 1 4 Planetary 3 1 1 2 3 3 2 4 F. Comments: None