Henan will encounter heavy rainfall again, and Zhengzhou should take protective measures against heavy rain.

I feel that the rainstorm in Henan has just passed for a long time. It is reported that there will be another rainstorm in Henan. What's going on here? Let's take a look at the situation!

Henan will encounter heavy rainfall again, and Zhengzhou is waiting.

On the evening of August 18, the office of Henan Flood Control and Drought Relief Headquarters issued an urgent notice, asking all relevant units in various places to do a good job in preventing and responding to the upcoming three rounds of heavy rainfall.

According to the forecast of the meteorological department of Henan Province, the precipitation in Anyang, Hebi, Xinxiang, Puyang, Sanmenxia and Luoyang is 25 ~ 45 mm, and the local area is 70 ~ 100 mm, accompanied by short-term strong winds of 7 ~ 8; On the 22nd, there was heavy rain or rainstorm in the north of the Yellow River and some counties and cities such as Sanmenxia, Luoyang, Zhengzhou, Kaifeng, Xuchang and Shangqiu, and there was heavy rain in the local area. In most areas, the precipitation is 70 ~ 100 mm, in some counties and cities 150 ~ 180 mm, the local rainfall is 200 ~ 300 mm, and the maximum hourly rainfall intensity is 70. From 24th to 26th, the main rain belt of precipitation will be located in Jianghuai area, and the Huaihe River Basin in Henan Province is rainy.

It is worth mentioning that in the requirements put forward by the Henan Flood Control and Drought Relief Headquarters Office, it is clearly emphasized that "we should pay close attention to urban waterlogging control measures".

Specific measures include: presetting rescue forces in advance, focusing on emergency drainage of low-lying waterlogged spots and primary and secondary roads in urban areas to prevent drowning, electric shock and other disasters; Warning signs should be set up for bridges and culverts, underground passages, and stagnant water sections, and special personnel should be arranged to be on duty to timely divert traffic and resolutely put an end to vehicles and personnel entering dangerous areas; Strengthen the control of urban road traffic and subway rail transit, and implement traffic control measures when necessary; According to the rain conditions, advocate flexible work and off-peak work for all personnel who do not participate in urban operation, reduce personnel flow and minimize disaster losses.

Rainstorm protection measures

Main measures to prevent rainstorm:

1. Dredge the waterway to prevent blockage. During the continuous rainstorm, all kinds of waterways should be kept open to prevent water accumulation caused by garbage and debris blocking the waterways.

Repair the roof in case of rain. Before the rainstorm, urban and rural residents should carefully check their houses, especially pay attention to repairing the roof in time to prevent rain from damaging furniture or having nowhere to hide; Prevent houses from collapsing and tilting due to rainwater irrigation.

3. Turn off the power to prevent personal injury. The storm is very violent. Once there is water in the house, the power supply of household appliances should be cut off immediately to prevent the accumulated water from being charged and hurting people.

4. Reduce going out and prevent accidents. During the rainy season, pay attention to listening to the weather forecast and early warning information at any time, arrange production activities and travel plans reasonably, and minimize going out.

5. Stay away from the mountain. Rainstorms in mountainous areas sometimes cause geological disasters such as mudslides and landslides. Villagers or pedestrians nearby should try to stay away from dangerous mountains and beware of dangerous situations.

The harm of heavy rain

Rainstorm is a kind of disastrous weather with serious influence. Continuous rainstorm, heavy rainstorm and extremely heavy rainstorm in a certain area will often lead to flash floods, reservoir dam breaks, rivers flooding, houses being washed away, farmland being flooded, traffic and telecommunications being interrupted, which will bring serious harm to the national economy and people's lives and property. There are two main hazards of rainstorm:

1, flood disaster. Due to heavy rain and poor drainage, it is easy to cause waterlogging, and the soil pores are full of water, which leads to the lack of oxygen in the roots of terrestrial plants, inhibits the physiological activities of the roots, strengthens the anaerobic process, produces toxic substances, harms crops and reduces production.

2. Flood disaster. Floods caused by heavy rain flooded crops, making it difficult for crops to metabolize normally and causing various injuries. The deeper the flooding, the longer the flooding time and the more serious the harm. Flash floods and river floods caused by heavy rains not only endanger crops, fruit trees, forestry and fisheries, but also destroy farmhouses and industrial and agricultural facilities, and even cause human and animal casualties and serious economic losses.

The cause of the rainstorm

The causes of the rainstorm are as follows. The formation of heavy rain is particularly complicated. Physically speaking, rainstorm is unstable caused by rising steam and airflow, and the atmosphere is also unstable. All kinds of weather are related to the terrain, so it will produce heavy rain. It is typhoon or intertropical convergence zone that causes large-scale rainstorm. These reasons caused the heavy rain in China. Now, in a dry place, it may cause heavy rain, but heavy rain often comes from the clouds. The conditions for forming heavy rain also require steam and upward movement, so that the water droplets in the clouds will rise and fall to the surface when the clouds can't hold. In order to prevent the rainstorm, we should make some preparations in advance and check whether there is anything wrong with the house. If it is a very dangerous place and the terrain is low, it is necessary to move immediately, stop outdoor activities immediately, and the school can no longer have classes. We should stop classes, check whether the circuits or gases in our home are safe, and make sure to turn off their master switch. Moreover, we should put away the clothes hanging outside in advance and put the valuables at home in a higher place. If people outside the house want to go to the heights to avoid the measures after the rainstorm, they should prevent the occurrence of residents' houses, and put water baffles, sandbags or ridges at home. You can move people to a safe place in a dangerous place, and turn off the gas valve and the main switch. If water enters the house, cut off the power supply to prevent electric shock. If you walk outside, you must pay attention to sticking things to prevent you from falling into the pit. In this way, you can keep your personal safety, you must not panic, and you must keep your own mentality. As long as it lasts more than 24 hours and the precipitation exceeds 50 mm, it is called rainstorm. Because of local differences, the standard of rainstorm is different. Heavy rain is disastrous weather, which will lead to a series of life obstacles.