:Product: 20040916SGAS.txt :Issued: 2004 Sep 16 0250 UT # 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 260 Issued at 0245Z on 16 Sep 2004 This report is compiled from data received at SWO on 15 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 2003 2003 2003 130 B. Proton Events: The greater than 10 MeV proton flux event which began on 13 Sep at 2205Z fell below threshold on 15 Sep at 1015Z. The event reached a maximum of 237 PFU on 14 Sep at 0005Z. C. Geomagnetic Activity Summary: The geomagnetic field has been at quiet to active levels. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 110 SSN 067 Afr/Ap 010/014 X-ray Background B3.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.1e+07 GT 10 MeV 7.4e+05 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W99 degrees) Daily Electron Fluence GT 2 MeV 1.50e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 3 1 2 2 3 1 2 Planetary 4 3 2 3 3 3 3 2 F. Comments: None