飓风和台风的区别是什么?
<p><span word="The">The</span> <span word="only">only</span> <span word="difference">difference</span> <span word="between">between</span> <span word="a">a</span> <span word="hurricane">hurricane</span> <span word="and">and</span> <span word="a">a</span> <span word="typhoon">typhoon</span> <span word="is">is</span> <span word="the">the</span> <span word="location">location</span> <span word="where">where</span> <span word="the">the</span> <span word="storm">storm</span> <span word="occurs">occurs</span>.</p><p>飓风和台风之间的唯一区别就是风暴发生的位置不同。</p><p><span word="A">A</span> <span word="close">close</span>-<span word="up">up</span> <span word="satellite">satellite</span> <span word="image">image</span> <span word="of">of</span> <span word="Hurricane">Hurricane</span> <span word="Isabel">Isabel</span> <span word="taken">taken</span> <span word="on">on</span> <span word="Sept">Sept</span>. 15, 2003. <span word="The">The</span> <span word="National">National</span> <span word="Ocean">Ocean</span> <span word="Service">Service</span> <span word="helps">helps</span> <span word="coastal">coastal</span> <span word="communities">communities</span> <span word="prepare">prepare</span> <span word="for">for</span> <span word="and">and</span> <span word="recover">recover</span> <span word="from">from</span> <span word="major">major</span> <span word="coastal">coastal</span> <span word="storms">storms</span> <span word="such">such</span> <span word="as">as</span> <span word="hurricanes">hurricanes</span>.</p><p>2003年9月15日，飓风伊莎贝尔拍摄的特写卫星图像。美国国家海洋局帮助沿海地区为飓风等主要沿海风暴做准备和恢复。</p><p><span word="Hurricanes">Hurricanes</span> <span word="and">and</span> <span word="typhoons">typhoons</span> <span word="are">are</span> <span word="the">the</span> <span word="same">same</span> <span word="weather">weather</span> <span word="phenomenon">phenomenon</span>: <span word="tropical">tropical</span> <span word="cyclones">cyclones</span>. <span word="A">A</span> <span word="tropical">tropical</span> <span word="cyclone">cyclone</span> <span word="is">is</span> <span word="a">a</span> <span word="generic">generic</span> <span word="term">term</span> <span word="used">used</span> <span word="by">by</span> <span word="meteorologists">meteorologists</span> <span word="to">to</span> <span word="describe">describe</span> <span word="a">a</span> <span word="rotating">rotating</span>, <span word="organized">organized</span> <span word="system">system</span> <span word="of">of</span> <span word="clouds">clouds</span> <span word="and">and</span> <span word="thunderstorms">thunderstorms</span> <span word="that">that</span> <span word="originates">originates</span> <span word="over">over</span> <span word="tropical">tropical</span> <span word="or">or</span> <span word="subtropical">subtropical</span> <span word="waters">waters</span> <span word="and">and</span> <span word="has">has</span> <span word="closed">closed</span>, <span word="low">low</span>-<span word="level">level</span> <span word="circulation">circulation</span>.</p><p>飓风和台风是同一种天气现象：热带气旋。热带气旋是气象学家用来描述一个有规律旋转着的云团和雷暴气象系统的通用术语。它们形成于热带或亚热带水域，且具有封闭的低水平环流。</p><p><span word="The">The</span> <span word="weakest">weakest</span> <span word="tropical">tropical</span> <span word="cyclones">cyclones</span> <span word="are">are</span> <span word="called">called</span> <span word="tropical">tropical</span> <span word="depressions">depressions</span>. <span word="If">If</span> <span word="a">a</span> <span word="depression">depression</span> <span word="intensifies">intensifies</span> <span word="such">such</span> <span word="that">that</span> <span word="its">its</span> <span word="maximum">maximum</span> <span word="sustained">sustained</span> <span word="winds">winds</span> <span word="reach">reach</span> 39 <span word="miles">miles</span> <span word="per">per</span> <span word="hour">hour</span>, <span word="the">the</span> <span word="tropical">tropical</span> <span word="cyclone">cyclone</span> <span word="becomes">becomes</span> <span word="a">a</span> <span word="tropical">tropical</span> <span word="storm">storm</span>. <span word="Once">Once</span> <span word="a">a</span> <span word="tropical">tropical</span> <span word="cyclone">cyclone</span> <span word="reaches">reaches</span> <span word="maximum">maximum</span> <span word="sustained">sustained</span> <span word="winds">winds</span> <span word="of">of</span> 74 <span word="miles">miles</span> <span word="per">per</span> <span word="hour">hour</span> <span word="or">or</span> <span word="higher">higher</span>, <span word="it">it</span> <span word="is">is</span> <span word="then">then</span> <span word="classified">classified</span> <span word="as">as</span> <span word="a">a</span> <span word="hurricane">hurricane</span>, <span word="typhoon">typhoon</span>, <span word="or">or</span> <span word="tropical">tropical</span> <span word="cyclone">cyclone</span>, <span word="depending">depending</span> <span word="upon">upon</span> <span word="where">where</span> <span word="the">the</span> <span word="storm">storm</span> <span word="originates">originates</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>.</p>
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