:Product: 20010526SGAS.txt :Issued: 2001 May 26 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 146 Issued at 0245Z on 26 May 2001 This report is compiled from data received at SWO on 25 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0606 0606 0607 520 0619 0619 0619 330 1936 1946 1956 9463 N05W23 Sf 110 2326 2326 2326 620 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field ranged from quiet to active levels. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 162 SSN 146 Afr/Ap 008/008 X-ray Background B4.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+05 GT 10 MeV 1.0e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 7.50e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 1 2 2 4 3 3 1 Planetary 2 1 2 2 3 3 3 2 F. Comments: None