Preface. Performance and Portability in Parallel Computing: A Weather Forecast View; B. Rodriguez, L. Hart, T. Henderson. The New Canadian Variable-Resolution Model: A Universal Tool to Study Atmospheric Phenomena on a Broad Temporal and Spatial Scale; S. Gravel, J. Cote, A. Staniforth, M. Roch, A. Patoine. Experiences with Parallel Programming in Meteorology; F. G. Wollenweber. Porting the Quasi-Nonhydrostatic Meteorological Model to the Kendall Square Research KSR1; C. F. Baillie, A.E. MacDonald, S. Sun. Automatic Differentiation, Tangent Linear Models, and (Pseudo-) Adjoints; C. H. Bischof. Iterative Domain Decomposition Algorithms: Theory and Applications; Y. Cai, I. M. Vavon. Parallel Computing and Operational Sea-Ice Forecasting; J. Cook. Coupled Ocean-Atmosphere Simulations; L. Terray, O. Thual. First Considerations about Modelling the Ocean General Circulation on MIMD Machines by Domain Decomposition Method; M. Guyon, M. Chartier, F.-X. Roux, P. Fraunie. Predictability of the Oceanic Circulations; C. Bernier. Application of Fifth-Order Compact Upwind Differencing to Moisture Transport Equation; M. A. Tolstykh. A Parallel Algorithm for Simulation of Long Range Transport of Air Pollution; R. Skalin, E. Berge. Multidisciplinary Mathematical Models for Earthquake Prediction Studies; A. S. Alekseev. Basic Functional Representation of Programs for Automatic Differentiation in the Odyssee System; N. Rostaing-Schmidt, E. Hassold. Translation Tools for High Performance Computing; M. T. O'Keefe, A. Sawdey. Global Atmospheric and Ocean Modeling on the Connection Machine; S. R. Atlas. Efficiency of a Number of Processors in Integrating a Global Weather Model; S. K. Dash , M. Periasamy, S. Selvakumar, B. Jha.