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一、引言台风是较为严重的自然灾害之一。据统计,1990-2006年间,中国大陆平均每年因台风造成的经济损失高达322亿元。在全球气候变暖的背景下,台风强度更有不断增强的趋势,其危害也日益增大。2006年,百年一遇的超强台风“桑美”登陆我国,仅浙江、福建两省就造成480人死亡,经济损失达190.85亿元。灾害重,责任益重。减轻台风损失是每一位气象工作者义不容辞的使命与责任。与其他自然灾害相比,台风及其引发的次生灾害可预报性较强,所造成的生命财产损失直接与气象预报预警的正确与否、采取的措施及时与否,以及
I. Introduction Typhoon is one of the more serious natural disasters. According to statistics, from 1990 to 2006, the average annual economic losses caused by typhoon in mainland China reached as high as 32.2 billion yuan. In the context of global warming, the intensity of typhoons has tended to increase continuously, and its harm has also been on the rise. In 2006, the once-in-a-century super typhoon “Sangmei” landed in our country, killing 480 people in Zhejiang and Fujian provinces alone, with an economic loss of 19.085 billion yuan. Heavy disasters, responsibility and weight. To reduce the loss of typhoon is an unshirkable mission and responsibility of every meteorological worker. Compared with other natural disasters, typhoon and its secondary disasters can be more predictable, the life and property losses caused by it are directly related to the weather forecast and warning, whether the measures taken are timely or not, and