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成熟结
,
较强
稳定性,而分裂
单体在移
过程中,逐渐向成熟位相发展,并且又分裂
单体。