史上最冷的冬天就要来了 准备好被冻成狗了吗
<p><span word="The">The</span> <span word="long">long</span> <span word="awaited">awaited</span> <span word="La">La</span> <span word="Ni">Ni</span>ñ<span word="a">a</span>, <span word="which">which</span> <span word="was">was</span> <span word="first">first</span> <span word="predicted">predicted</span> <span word="by">by</span> <span word="the">the</span> <span word="Climate">Climate</span> <span word="Prediction">Prediction</span> <span word="Center">Center</span> (<span word="CPC">CPC</span>) <span word="back">back</span> <span word="in">in</span> <span word="April">April</span>, <span word="has">has</span> <span word="finally">finally</span> <span word="arrived">arrived</span> <span word="in">in</span> <span word="the">the</span> <span word="Pacific">Pacific</span> <span word="Ocean">Ocean</span>, <span word="NOAA">NOAA</span> <span word="announced">announced</span> <span word="Thursday">Thursday</span> -- <span word="and">and</span> <span word="it">it</span>'<span word="s">s</span> <span word="expected">expected</span> <span word="to">to</span> <span word="stick">stick</span> <span word="around">around</span> <span word="through">through</span> <span word="the">the</span> <span word="winter">winter</span>.</p><p>星期四，美国国家海洋和大气管理局（<span word="NOAA">NOAA</span>）宣布：等待许久的拉尼娜终于抵达太平洋了。早在今年4月，美国国家气候预测中心（<span word="CPC">CPC</span>）就首次预言了拉尼娜的到来。据估计，它将在整个冬天逗留于此。</p><p><span word="La">La</span> <span word="Ni">Ni</span>ñ<span word="a">a</span> <span word="conditions">conditions</span>, <span word="which">which</span> <span word="are">are</span> <span word="characterized">characterized</span> <span word="by">by</span> <span word="below">below</span>-<span word="normal">normal</span> <span word="sea">sea</span> <span word="surface">surface</span> <span word="temperatures">temperatures</span> <span word="in">in</span> <span word="the">the</span> <span word="tropical">tropical</span> <span word="Pacific">Pacific</span>, <span word="were">were</span> <span word="observed">observed</span> <span word="during">during</span> <span word="October">October</span> <span word="and">and</span> <span word="have">have</span> <span word="persisted">persisted</span> <span word="into">into</span> <span word="November">November</span> -- <span word="prompting">prompting</span> <span word="the">the</span> <span word="CPC">CPC</span> <span word="to">to</span> <span word="raise">raise</span> <span word="the">the</span> <span word="ENSO">ENSO</span> <span word="Alert">Alert</span> <span word="System">System</span> <span word="from">from</span> <span word="a">a</span> <span word="La">La</span> <span word="Ni">Ni</span>ñ<span word="a">a</span> <span word="Watch">Watch</span> <span word="to">to</span> <span word="a">a</span> <span word="La">La</span> <span word="Ni">Ni</span>ñ<span word="a">a</span> <span word="Advisory">Advisory</span>.</p><p>拉尼娜现象的典型特征是热带太平洋海平面温度会低于常值，据观测，今年整个10月份都有这种现象，后来拖拖拉拉进入11月也没有消失——因此，<span word="CPC">CPC</span>将将厄尔尼诺南方涛动警报系统（<span word="ENSO">ENSO</span> <span word="Alert">Alert</span> <span word="System">System</span>）里的拉尼娜警戒级别从“监视”提升到了“警报”级。</p>
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