Rubuta ci gaba don wannan sakin layi - Don hana ci gaban Jafananci a yamma da kudancin China, Chiang Kai-shek, a kan shawarar Chen Guofu, ya ba da umarnin buɗe damuna a Kogin Yellow kusa da Zhengzhou. Shirin na asali shine a lalata shingen a Zhaokou, amma saboda matsaloli a wannan wurin, an lalata shingen Huayuankou a gefen kudu a ranar 5 ga Yuni da 7 ga Yuni ta hanyar tonowa, tare da ambaliyar ruwa a gabashin Henan, tsakiyar Anhui, da arewacin tsakiyar Jiangsu. Ambaliyar ruwa
Ya rufe kuma ya lalata dubban murabba'in kilomita na ƙasar noma kuma ya kawar da bakin Kogin Yellow daruruwan mil zuwa kudu. Dubban kauyuka sun ambaliya ko kuma sun hallaka kuma an tilasta wa miliyoyin mazauna kauyuka su fice daga gidajensu. Mutane 400,000 ciki har da sojojin Japan sun nitse kuma ƙarin miliyan 10 sun zama 'yan gudun hijira. Koguna sun cika da gawawwaki yayin da mazaunan jirgin ruwan Tanka suka nitse daga jirgin ruwa. Lalacewar gonaki kuma ta shafi yawan jama'a wanda ya haifar da yunwa daga baya. Duk da wannan, Jafananci sun kama Wuhan a ranar 27 ga Oktoba, 1938, wanda ya tilasta KMT ta koma baya zuwa Chongqing (Chungking), amma Chiang Kai-shek har yanzu ya ƙi yin shawarwari, yana cewa zai yi la'akari da tattaunawa ne kawai idan Japan ta yarda ta janye zuwa iyakokin kafin 1937. A shekara ta 1937, rundunar sojojin Japan da sauri ta shiga cikin yankin kasar Sin.