On the morning of August 5th, the water level of Banqiao Reservoir began to rise, reaching the highest water level 117.94m on the 8th. When the water depth of the breakwater is 0.3m, the main channel breaks, and 600 million cubic meters of reservoir water suddenly pours down, such as landslides, earthquakes and dozens of miles, with a maximum instantaneous discharge of 79,000 cubic meters per second. After the dam-break flood enters the river, it rushes downstream at an average speed of 6 meters per second, forming a torrent with a head as high as 5-9 meters and a flow width of 12- 15 kilometers between the dam and the Beijing-Guangzhou railway. The water in Shimantan Reservoir began to rise at 20: 00 on the 5th, and reached the highest water level11.40m at 0: 30 on the 8th. At that time, the water depth of the breakwater was 0.4m. The water in the reservoir was 65.438+0.2 billion cubic meters, and it was completely discharged within five and a half hours at a flow rate of 25,000 to 30,000 cubic meters per second. Tiangang Reservoir in the lower reaches of the river will burst. Nihewa and Laowangpo, two flood storage and detention areas in the lower reaches of the Red River, have a maximum storage capacity of 830 million cubic meters. At this time, the storage capacity is 404 million cubic meters, and the flood storage dikes are out of control in many places. The main rivers in Zhumadian area have burst their banks and overflowed. The whole area is 300 kilometers long from east to west, with a length of 150 kilometers from north to south, and 6 billion cubic meters of flood surges across Wang Yang. About 654.38 billion cubic meters of flood water rushed into Fenquan River basin because the dike of the main river in Laowangpo flood detention area burst on August 8. On the evening of the 9th, the flood entered Fuyang, Anhui Province, and the Quanhe River burst its banks in many places, and Linquan County was flooded. Millions of victims are immersed in water, and the incidence rate is rising rapidly. According to incomplete statistics, there are 1 133000 patients? On the day Banqiao and Shimantan Reservoir burst, nearly 10,000 officers and men of a PLA division nearest to the disaster area were ordered to rush to Zhumadian area to fight floods and provide disaster relief.

Since August 9, a large number of rescue troops from the Wuhan Military Region have also arrived in the disaster area day and night. The disaster is far more serious than expected. When Banqiao Reservoir 1 collapsed on August 8, it was already late at night. Wherever the flood peak went, the city walls collapsed, tens of thousands of people were swallowed up in their sleep, and the village disappeared instantly. More than 200 households' Shahedian was razed to the ground, towns were razed to the ground, and the flood in suiping county was not washed away. Thousands of old trees were uprooted and the Beijing-Guangzhou Railway was twisted into a "twist"; The 60-ton tanker was washed to Lake Suya 40 kilometers away; At dawn, the mainstream of the river is on the water, and the bodies of people and animals drift with the tide; At 8 o'clock on the 8 th, the flood gradually receded, and the trees, roofs and high mounds were crowded with people. Many men and women were washed naked by the flood, and people didn't have time to cry, and they didn't care about trying to help their friends in the water and find their relatives around them? On both banks of Shahe River 10 km wide and 40 km long, swollen bodies are everywhere, which is terrible.

At the same time, millions of victims have been immersed in stagnant water for a long time and their heads are exposed to the scorching sun in the dog days.

On August 13, the water level east of Xincai and Pingyu still rose, 1 2 cm per hour, and 2 million people in the whole area were in the water.

Runan: 65,438+10,000 people were flooded (meaning still floating in the water), 40,000 people were rescued, and 60,000 people were trapped in trees and needed first aid; 200,000 people in the county have swollen faces and legs, and they have diarrhea without medicine. Xincai: 300,000 people are still on dikes, houses and rafts. All 20 communes are surrounded by water, and many people have no food for five days and five nights. Shangcai: 600,000 people are still surrounded by water. 4000 people from Liu Lianyu Brigade of North China Commune ate all the leaves; There are 300 people on the sluice of Zhang Qiao Brigade of Huangbu Commune who haven't eaten for 6 days and 7 nights and are still eating dead pigs and livestock.

Suyahu Reservoir: Fifty thousand people on the dam have not eaten for four or five days. Pingyu: There are still 400,000 people in the water, and enteritis and encephalitis are prevalent. The medical team went down, but there was no medicine. In many places, victims cry when they are sick, and doctors cry when they see the disease without medicine.

On August 4th, there were still1773,000 people in the whole region. Among them, Shangcai is 640,000, Xincai is 450,000, Runan is 250,000 and Pingyu is 400,000. Runan put forward a slogan to ensure that each person 1 day, 1 kg of dried sweet potatoes.

On August 15, there were still more than10.4 million people in the whole region, including 550,000 in Shangcai, 400,000 in Xincai, 250,000 in Runan and 300,000 in Pingyu.

On August/0/6, Kloc-0,200 people in the whole region were still in the water, including 520,000 in Shangcai, 200,000 in Xincai, 40,000 in Runan and 230,000 in Pingyu. Three old people of Sheqiao Brigade in Pingyu County hanged themselves because they didn't eat or save.

17 August, there were still 10 10000 people immersed in water in the whole region. There are 500,000 people in Shangcai, 7,000 people in Dangdian commune levee, 4,500 people in highway and 3 1 10,000 people in tree rafts. Another member had a high fever and died without taking medicine. People are short of clothes. Song Sanyi (dead), the accountant of Wu Song Brigade, left his wife and six children. Three children are still naked, and three children only have pants. Xincai: Cook red taro slices in a big pot to help the masses. Runan: guarantee 1 person, 1 day, 3 sides, 7 dried taro. The incidence rate in the whole area is rising rapidly. According to incomplete statistics, * * patients1133,000 people, including 80,000 in Runan; There are 250,000 people in Pingyu, including 42,000 people in Wangzhong Commune, 1.7 million cases. The medical staff tried their best to treat only 800 people a day and 7 people died. Xiping patients110000; Suiping 1.5 million; Shangcai 250 thousand.