With the numerical simulated data of the storm, the structure and evolution of the helicity, superhelicity and their dynamical influences on the development of the storm are investigated.
原有对流单体在原地维持熟
结构,表现
较强
稳定性,而分裂
单体在移
过程中,逐
熟位相发展,并且又分裂
单体。