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一、龙卷风出现最多的地区 美国是世里上出现龙卷风最多的地区,年平均数达430多次。1980—1984年,发生龙卷风总计4500次,年平均这900次。龙卷风造成的损失平均达1亿美元/年。1979年得克萨斯州发生的龙卷风,损失达8亿美元,45人丧生。美国的墨西哥湾沿岸,尤其是佛罗里达半岛以南海面上,是海龙卷风出现最多的地方。1968年8月的8天中,共出现了27个漏斗云,有一天竟出现了8个。有许多水龙卷同时或接连出现在海面
First, the area where tornadoes occur the most The United States is the world where tornadoes occur the most, the annual average of more than 430 times. In 1980-1984, a total of 4,500 tornadoes occurred, with an average of 900 per year. Tornadoes caused an average loss of 100 million US dollars / year. Tornadoes in Texas in 1979 lost 800 million U.S. dollars and 45 people were killed. The coast of the Gulf of Mexico in the United States, especially on the south of the Florida peninsula, is the place where sea tornadoes occur most. In August 1968, there were altogether 27 funnel clouds in eight days, of which eight appeared one day. There are many water tornado in the sea at the same time or after another