:Product: 20030319SGAS.txt :Issued: 2003 Mar 19 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 078 Issued at 0245Z on 19 Mar 2003 This report is compiled from data received at SWO on 18 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0030 0037 0042 0314 S15W44 M1.6 1n 91 0535 0535 0535 670 0551 0600 0602 0314 S15W46 M2.5 1b 3600 36 0857 0858 0858 160 23 1133 1133 1136 230 1140 1140 1140 150 1151 1208 1220 0314 S15W46 X1.5 1b 450 1400 II/IV 1351 0000 1401 II 1638 1641 1643 C1.3 100 1705 1705 1705 140 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field ranged from quiet to minor storm levels as the coronal hole induced disturbance continued. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 118 SSN 064 Afr/Ap 020/026 X-ray Background B4.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.0e+06 GT 10 MeV 2.2e+04 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.90e+08 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 4 3 4 4 3 2 3 Planetary 4 4 4 5 4 3 3 3 F. Comments: The Afr index reported in Part E is estimated from Boulder observations.