The main reason is that the updraft over the ice rain area is weak, and the vapor in the air is not saturated.
这主要是因为冻雨区的上升气流弱，高空水汽不饱和。
Storm rainfall in Qindao is the result of cooperation of plenty of water vapor, strong convergence and updraft, and cold air.
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。
The great speed and force of tornado winds can pick up things as heavy as automobiles and hurl them hundreds of yards. (4) The updraft causes a very low air pressure within the funnel.
龙卷风的速度快，力量大，能卷起像汽车那样的重物，把它们抛到几百码以外。上升的气流，在龙卷风的漏斗中引起低气压。
The great speed and force of tornado winds can pick up things as heavy as automobiles and hurl them hundreds of yards. (4) The updraft causes a very low air pressure within the funnel.
龙卷风的速度快，力量大，能卷起像汽车那样的重物，把它们抛到几百码以外。上升的气流，在龙卷风的漏斗中引起低气压。
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