The Physical Analysis and Numerical Simulation of Artificial Modification of A Hail Event

The physical analysis and numerical simulation of a hail event in Jinan on July 24,1996 was made with a twodimension hail cloud model.The simulation results show that the model can describe in detail the character of feedback of thermodynamic and dynamic processes and microphysical processes in the hail choud.Based on the computed results,the silver iodide seeding experiment is conducted in the hail event,and it is concluded theoretically that cloud seeding with high concentration of artificial ice crystal at forming period of cloud may decrease surface hail and increase surface precipitation.

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