产生冬季暴雨的物理条件与充沛的水汽、强烈的对流不稳定和辐合上升运动密切相关。
The physical conditions of rainstorm creating is related with plentiful vapor and instable strongly air convection and convergence upward movement.
过程期间，物理量场表现出强水汽输送辐合及上升运动；
There is strong water vapor transport and convergence upward movement in the physical field.
青岛地区产生大暴雨则是充沛的水汽、强烈的辐合上升运动与冷空气共同作用的结果。
Storm rainfall in Qindao is the result of cooperation of plenty of water vapor, strong convergence and updraft, and cold air.
结果表明，冻结层和融化层之间的水汽辐合和较强的上升运动是冻雨产生的两个必要条件。
The results show that the water vapor convergence and the strong upward movement between the freezing layer and the melting layer are the essential conditions for the formation of freezing rain.
结果表明， 这次冻雨过程期间有两条明显的水汽通道，上升运动明显。
The simulated results show that there are two obvious water vapor channels during the freezing-rain process, and the ascending motion is significant.
湖南南部强冻雨的产生需要强水汽辐合和上升运动，相对较厚的融化层和高的暖中心温度。
The strong water vapor convergenc and upward movement and relatively thick melting layer with high temperature in the center are important to the appearance of strong freezing rain in Southern Hunan.
强烈的质量辐合、水汽辐合和上升运动等位于低压东侧和南侧。
The stronger mass convergence, moisture convergence and upward motion are located in the eastern and southern part of the depression.
形成异常降水的水汽来源主要是大气的水平运动输送。
The water vapor feeding the rainfall is mostly transported by the horizontal atmospheric motions from outside of the region rather than from local sources.
除迎风坡空气抬升和背风坡引起上升运动外，还有地形加热引起的上升运动，这些对水汽、能量等的垂直输送起着重要作用。
Besides, topographic heating, air lifting on windward slope and lee wave play an important role in vertical transport of moisture and energy.
高层西偏南风加强、水汽通量增大、上升运动的加强以及水汽的辐合造成滇中及以东的强降雪；
Southwest wind enhancement, water vapour flux increase, ascending motion enhancement and water vapour convergence in upper level arouse the heavy snow process in central and east Yunnan.
结果表明：向南运动的高层偏北风急流下沉支与低空急流上升支组成低涡切变系统是主要影响天气系统；水汽主要来源于孟加拉湾和南海，但东部海区水汽输送也不可忽视。
The low level shear system, which is composed of the southward downdraft branch of upper level northern jet and the ascend branch of low level jet, is the main synoptic system.
结果表明：向南运动的高层偏北风急流下沉支与低空急流上升支组成低涡切变系统是主要影响天气系统；水汽主要来源于孟加拉湾和南海，但东部海区水汽输送也不可忽视。
The low level shear system, which is composed of the southward downdraft branch of upper level northern jet and the ascend branch of low level jet, is the main synoptic system.
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