8月21日，洪水通过泄洪道汇入黄河。今年入汛以来，黄河上游持续大范围降雨，位于甘肃省永靖县的刘家峡水库发挥拦洪作用，水库水位不断上涨，8月21日水库水位达到1728．98米，超过汛限水位1．98米。按照黄河防总要求，刘家峡水库从20日起按每秒2500立方米泄洪。刘家峡加大泄洪后大流量仍将持续，黄河防汛抗洪形势十分严峻。新华社记者 王衡 摄     August 21，Floods through the spillway into the Yellow River。Since this year into sin，For the upper reaches of the Yellow River of rainfall，Gansu province is located in the YongJingXian liujiaxia reservoir play detention action，Reservoir water continued to rise，On August 21 reservoir water level to 1728.98 meters，Flood limit water level more than 1.98 meters。According to the requirements of Yellow River office，On September 20th, liujiaxia reservoir according to 2500 cubic meters per second flood。Liujiaxia increase after flood large flow will continue，The Yellow River flood control situation is very serious。Xinhua news agency reporters WangHeng perturbation

8月21日，两名游客正在观看刘家峡泄洪。新华社记者 王衡 摄 August 21，Two tourists are watching the liujiaxia flood discharge。Xinhua news agency reporters WangHeng perturbation

8月21日，洪水通过右侧溢洪道注入黄河。新华社记者 王衡 摄 August 21，On the right side of the Yellow River flood through spillway injection。Xinhua news agency reporters WangHeng perturbation