Part 1 Monsoon observations: the global monsoon systems, Q-C. Zeng; the SCSMEX/GAME sounding networks and the onset of the 1998 Asian Summer Monsoon, R.H. Johnson and P.E. Ciesielski; relationship between the planetary-scale circulation over East Asia and the intensity of the South Asian Summer Monsoon, J.-J. Xu and J.C.L. Chan; wind changes over the Western Pacific, W.T. Liu et al. Part 2 Climate: mechanism of ENSO-monsoon interaction during mature-decay phases of ENSO cycle, B. Wang et al; impact of land surface processes on summer climate, G-X. Wu et al; impact of ENSO on the variability of the Asian-Australian Monsoons, N-C Lau; summary of COSMIC and applications to meteorology and climate, R.A. Anthes and Y-H Kuo. Part 3 Theoretical studies: tropical tropospheric biennial oscillation and ENSO, (C-P. Chang and T. Li). Part 4 Typhoon: on the formation of the hurricane eye, D-L Zhang et al; systematic approach for tropical cyclone track forecasting with dynamical model selective consensus, R. L. Elsberry and L. E. Carr, III. Part 5 Mesoscale meteorology: convection and local circulation under the Influence of Meiyu Front over Northern Taiwan, G. T-J. Chen. Part 6 Air Pollution: emission inventory of civil aircrafts over Taiwan (P-S. Lin et al.