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１９９９年８月 ９－１３日，山东省潍河流域发生了该省有降雨观测记载以来罕见的特大暴雨洪水（以下简称“９９·８”暴雨洪水）。暴雨中心三里庄水库雨量达对７１１·４ｍｍ，最大２４小时雨量达５９９.６ｍｍ。致使三里庄水库上游山洪暴发，水位暴涨，入库洪峰达 ３０１０ｍ~３／ｓ，洪水总量达 ８５３０万 ｍ~３，最大泄量 ７００ｍ~３／ｓ。对这次暴雨洪水的特性进行了分析。
From August 9 to 13, 1999, a rare heavy storm flood (hereinafter referred to as “99 · 8” storm flood) occurred in the Weihe River basin of Shandong Province since the rainfall observation records. The rainstorm center Sanlizhuang reservoir reaches 711 · 4mm and the maximum rainfall of 599.6mm in 24 hours. As a result, the flood surges occurred in the upper reaches of Sanlizhuang reservoir, and the water level soared. The flood peak reached 3010m ~ 3 / s, the total flood volume reached 85.3 million m ~ 3 and the maximum discharge volume was 700m ~ 3 / s. The characteristics of this storm flood were analyzed.