:Product: 20030527SGAS.txt :Issued: 2003 May 27 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 147 Issued at 0245Z on 27 May 2003 This report is compiled from data received at SWO on 26 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0534 0550 0602 0365 S09E12 M1.9 1f 91 IV 0621 0627 0631 120 1309 1309 1309 160 1503 1520 1539 C5.9 160 36 1622 1637 1651 0365 M1.0 160 56 2240 2246 2253 C1.5 220 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to active levels. Residual effects from a high speed stream produced active conditions. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 125 SSN 065 Afr/Ap 018/018 X-ray Background B3.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.9e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W104 degrees) Daily Electron Fluence GT 2 MeV 1.80e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 2 4 2 3 3 3 4 Planetary 4 3 4 3 3 3 3 4 F. Comments: None