There are mesoscale low level convergence and high level divergence in the thunderstorm area.
同时又存在明显的低层辐合高层辐散的中尺度流场。
Five sorts of the vertical structure of wind disturbance fields are discussed. Among them, the effect of middle-low level wind disturbances is the strongest in the formation of mesoscale low.
对五种不同垂直结构的风场扰动进行了实验，其中以中低层的风场扰动在中低压形成过程中的作用更显著。
The experimental result show that the scheme which utilized index scheme in moistening coefficient is more suitable for mesoscale numerical simulation of Yunnan low latitude plateau.
数值试验结果表明，增湿系数采用指数型定义法方案较为适合云南低纬高原上的中尺度数值模式。
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