Combined with the analysis of physical parameters, two kinds of conceptual models of typical regional heavy rainstorm systems about strong frontal zone and warm vortex are found.
结合物理量场的分析，建立了强锋区和暖涡旋两类典型特大暴雨系统的概念模型。
Tornadoes form when the updrafts of air that supply storms with warm, humid air become a vortex, or high-speed whirlwind.
当上升气流与能形成风暴的湿热空气变成高速的旋风时，就形成了龙卷风。
For example, a non-geostrophic vortex in wind field on the 375 MB level can result in a high with the warm center in the troposphere and the cold center in the stratosphere.
例如375毫巴上单纯非地转风的流场的反气旋涡旋，适应后可建立起对流层暖性、平流层是冷性的高压系统。
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