▲河南极端降雨原因何在？中央气象台：台风“烟花”是背后推手。新京报我们视频出品
本轮河南降水为何如此强势？大范围降雨天气何时能够停歇？中央气象台解释称，远在千里之外的台风“烟花”是幕后“推手”。在台风与副热带高压的气流引导下，大量水汽被源源不断地从海上输送到陆地。气流受到河南西北侧高大山脉的阻挡，导致降雨更加集中强势。
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