龙卷或龙卷气旋是一种与强烈对流云相伴出现的具有垂直轴的小范围涡旋，总有一个如同“象鼻子”一样的漏斗云柱（呈圆锥形或绳索形）挂自对流云底，盘旋而下。云柱不着地的叫漏斗云，云彩柱下垂到陆地上的叫“陆龙卷”，到海面或水上的称“水龙卷”。
更好地预测飓风和其他热带气旋，以及龙卷风，从近几十年来，因此类事件的死亡人数在减少，但因洪水而死亡的人数却在飙升。
Better predictions for hurricanes and other tropical cyclones, as well as tornadoes, have reduced the death tolls from such events in recent decades. But flooding deaths are on the rise.
自然灾害，如洪水，热带气旋，龙卷风和潮汐孔，几乎每年都发生在这里-同时带来不幸的后果。
Natural calamities, such as floods, tropical cyclones, tornadoes and tidal bores occur here almost every year - with tragic results.
澳大利亚东海岸大部分地区遭受热带气旋残余的重创，目前这些地区已发布龙卷风警戒。
Tornado watches have been issued along large parts of Australia's east coast as the remnants of a tropical cyclone sweep across the region.
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