:Product: 20010407SGAS.txt :Issued: 2001 Apr 07 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 ::::::::: CORRECTED COPY:::::::::: SGAS Number 097 Issued at 0245Z on 07 Apr 2001 This report is compiled from data received at SWO on 06 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1711 1732 1750 9415 S19E32 C5 Sf 2700 1733 1734 1738 150 1910 1921 1931 9415 S21E31 X5.6 Sf 250000 3300 2047 2048 2052 210 2111 2112 2121 270 2142 2145 2153 170 2229 2231 2237 9415 S19E33 Sf 1100 2242 2242 2243 250 B. Proton Events: The proton event in progress since 02/2340UT was ended at 07/1800UT. Another event may begin on 07 March from the X5 event that occurred on 06/1910UT. C. Geomagnetic Activity Summary: The geomagnetic field levels ranged from quiet to minor storm levels. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 192 SSN 136 Afr/Ap 015/012 X-ray Background C3.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.1e+07 GT 10 MeV 1.1e+06 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.80e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 1 3 2 3 3 3 5 Planetary 1 1 3 3 3 3 3 3 F. Comments: None