:Product: 20030925SGAS.txt :Issued: 2003 Sep 25 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 268 Issued at 0245Z on 25 Sep 2003 This report is compiled from data received at SWO on 24 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0431 0435 0438 0464 N01E23 C2.1 Sf 320 0712 0717 0719 0464 C5.4 620 35 0851 0855 0857 0464 C2.0 340 1405 1409 1412 B9.6 590 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field has been at unsettled to minor storm levels. A geoeffective coronal hole has maintained a high-speed solar wind stream, and sustained elevated geomagnetic field activity for the last couple of days. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 134 SSN 121 Afr/Ap 025/033 X-ray Background B3.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+06 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W110 degrees) Daily Electron Fluence GT 2 MeV 9.70e+07 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 5 4 4 4 3 4 4 4 Planetary 5 5 5 4 4 4 4 4 F. Comments: None