Black tornado黑色龙卷风;龙卷风 convective tornado对流龙卷 n.[美国英语][气象学]龙卷风;陆卷风 , 旋风;飓风;猛烈的风暴[参较 water-spout] , (非洲的)大雷飑 , 极具破坏性的人(或物) , (喝...
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充分说明龙卷风由涡旋流和急流这两种流叠加而成，涡旋流是由惯性离心力造成的，急流是由水平辐合辐散而引起的强对流。
The vortex flow is resulted from inertial centrifugal force and the jet flow is from strong convection by the horizontal convergence.
天文台表示，是相对强烈的地区性对流活动，导致了此次水龙卷的形成。
The observatory said the relatively strong localized convection led to the formation of the waterspout.
据其分析，发生龙卷风，和强对流天气有关。
According to its analysis, a tornado, and strong convective weather.
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