The reason of the strengthening of severe wind belt of low layer is due to the dynamicforce effect of upper layer jet and the transport effect of air particle of low latitude.
低空强风带的加强一方面由于高空急流的动力强迫作用，另一方面来源于低纬空气质点对强风动量的输送作用。
It is emphasized that the direct feed-back effect of heavy rain on the jet stream is to increase the isallobaric wind.
明确了暴雨对急流反馈的直接效果就是增加其变压风。
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