为什么内陆城市会出现破坏力强的龙卷风？最新解读！
<p style="text-align: center;" data-mpa-powered-by="yiban.io"><span style="letter-spacing: 1px;">今天午间</span></p><p><section style="line-height: 1.75em;text-align: center;"><span style="letter-spacing: 1px;">武汉市气象局官方微博</span></section><section style="line-height: 1.75em;text-align: center;"><span style="letter-spacing: 1px;">回应关于龙卷风的热点问题</span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="color: rgb(2, 30, 170);"><strong><span style="letter-spacing: 1px;">一问：龙卷风的定义是什么？</span></strong></span><span style="letter-spacing: 1px;"></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">龙卷风是在强烈不稳定天气条件下产生的一种小范围的空气涡旋，中心风力可达100～200米/秒，龙卷风下部的直径一般在几米到数百米之间，特别大的龙卷风直径能达到1公里。</span><span style="letter-spacing: 1px;color: rgb(0, 122, 170);"><strong>龙卷风形成后，一般维持十几分钟到几小时，袭击范围很小，但破坏力大。</strong></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="color: rgb(2, 30, 170);"><strong><span style="letter-spacing: 1px;">二问：龙卷风怎么形成的？</span></strong></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">龙卷风是强对流天气家族里的一员，但它与雷暴、冰雹等不同，是一种很强烈、很极端的强对流天气现象，因此它诞生的环境也是很特殊的</span><span style="letter-spacing: 1px;color: rgb(0, 122, 170);"><strong>。一般，只有非常深厚、非常庞大的积雨云才能孕育出龙卷风</strong></span><span style="letter-spacing: 1px;">，能够孕育龙卷风的积雨云水平尺度可以达到几十到上百公里，垂直尺度至少能达到十几公里。</span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">在庞大的积雨云内部，高层和低层的风速会非常快，而且，高层和低层风向差异大，很有可能是完全相反的。在这种情况下，就会形成一个快速旋转的空气管，我们称它为涡旋，由于受到摩擦力和地球本身自转等因素的影响，这个空气管是倾斜的。气流在快速旋转的过程中，就会不停地卷入更多的气流，这个巨型空气管就会不停发展壮大，就像滚雪球一样。</span><span style="letter-spacing: 1px;color: rgb(0, 122, 170);"><strong>当它发展到足够大并向下落到地面上时，就形成了我们说的龙卷风，龙卷风本身携带着巨大的能量，因此它的破坏力也是惊人的。</strong></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="color: rgb(2, 30, 170);"><strong><span style="letter-spacing: 1px;">三问：为什么内陆城市会出现龙卷风？</span></strong></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">龙卷风在我国不算常见的灾害，基本上每年都能有龙卷风现象（灾害）发生。只要形成条件满足，不分沿海或内陆，均有可能发生龙卷风。</span><span style="letter-spacing: 1px;color: rgb(0, 122, 170);"><strong>我国春季和夏季为龙卷风多发季节。</strong></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="color: rgb(0, 122, 170);"><strong><span style="letter-spacing: 1px;">长江中下游是我国龙卷风的多发地区。多个内陆城市都曾发生龙卷风。</span></strong></span><span style="letter-spacing: 1px;">2021年5月14日19时前后，江苏苏州市吴江区盛泽镇部分地区突遭龙卷风袭击，初步研判为EF3级龙卷风，中心最大风力17级，龙卷风造成人员伤亡，局部电力设施、多处房屋受损。2020年6月27日19时左右，湖北荆门市附近有龙卷风生成，经专家组初步验证判断，此次为一次EF1-EF2级龙卷。</span></section><section style="line-height: 1.75em;"><br/></section><section style="line-height: 1.75em;"><span style="color: rgb(2, 30, 170);"><strong><span style="letter-spacing: 1px;">四问：龙卷风能监测预报吗？</span></strong></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="color: rgb(0, 122, 170);"><strong><span style="letter-spacing: 1px;">龙卷风很难预报是因为它的水平尺度（直径）很小，小尺度天气事件时空随机性较强</span></strong></span><span style="letter-spacing: 1px;">，气象探测设备和探测系统都无法有效准确监测和追踪龙卷风的发生发展，准确预报更难，即使是在美国这样的龙卷风预警先进国家，目前仍然难以准确预报。</span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="color: rgb(2, 30, 170);"><strong><span style="letter-spacing: 1px;">五问：龙卷风来了公众应该如何防范应对？</span></strong></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">1. 在家时，务必远离门、窗和房屋的外围墙壁，躲到与龙卷风方向相反的墙壁或小房间内抱头蹲下。躲避龙卷风最安全的地方是地下室或半地下室。</span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">2. 在电杆倒、房屋塌的紧急情况下，应及时切断电源，以防止电击人体或引起火灾。</span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">3. 在野外遇龙卷风时，应就近寻找低洼地伏于地面，但要远离大树、电杆，以免被砸、被压和触电。</span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;">4. 驾车外出遇到龙卷风时，千万不能开车躲避，也不要在汽车中躲避，因为汽车对龙卷风几乎没有防御能力，应立即离开汽车，到低洼地躲避。</span></section><section style="line-height: 1.75em;"><span style="letter-spacing: 1px;"><br/></span></section></p><p style="text-align: center;"></p><p style="text-align: center;"></p><p><br/></p><p><br/></p><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; white-space: normal; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="margin: 0.5em 0px; padding: 0px; max-width: 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