TWO-DIMENSIONAL NUMERICAL HAILCLOUD MODEL

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  • This paper describes a two-dimensional slab-symmetric hailcloud model,of which dynamics almost contains all the dynamic factors.The model with the improved precipitation process included can show the biparameter change of particle size-distribution.A new suspending lateral boundary condition is proposed which may improve the influence of boundary on the airflow within computing domain.The subroutines designed for studying the change in outline of precipitating particle region can describe the interaction between airflow and precipitation particles.With this model the structure of weak ccho region in hailcloud is simulated and the airflow patterns under different thermal disturbances and wind shear are studied.
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