The horizontal width of the condensate falling from the convective cells was much less than the width of the observed me从对流单体降落的冷凝物的水平宽度比观测到的做尺度下沉气流的宽度小得多（前者60公里而后者150公里）。
When rain-cooled downdrafts hit warm air near the ground, a low hanging revolving cloud forms beneath the cell， a tornad当雨冷凝下曳气流撞击地表暖气流----“超级胞”下方一股低旋的云流，龙卷风就开始逼近了。