How dangerous is a heavy rainstorm in a mountain village?

Sisters, the series of disasters caused by heavy rains in Zhengzhou in the past two days have caused us to think about a series of questions. First, let’s talk about how heavy rains are formed? Let’s talk about how dangerous heavy rain can be in a mountain village?

First of all, the formation of heavy rain?

Heavy rain refers to rain with high rainfall intensity, often forming in cumulonimbus clouds. According to Chinese meteorological regulations, heavy rainfall with a precipitation of more than 50 mm in 24 hours is called a "heavy rainstorm."

It is divided into three levels according to its precipitation intensity, that is, a 24-hour precipitation of 50-99.9 mm is called a "heavy rainstorm", a precipitation of 100-249.9 mm is called a "heavy rainstorm", and a precipitation of more than 250 mm is called a "heavy rainstorm". Extremely heavy rain.” However, due to different precipitation and terrain characteristics in different places, the standards for heavy rain and floods are also different in different places.

Heavy rains can also be divided into local heavy rains, regional heavy rains, large-scale heavy rains, and extremely large-scale heavy rains according to the size of their occurrence and impact. Local heavy rain lasts only a few hours or dozens of hours, generally affects tens to thousands of square kilometers, and causes relatively minor damage. However, when rainfall intensity is extremely high, it can also cause serious casualties and property losses. Regional heavy rains generally last for 3 to 7 days, with an impact area of ??100,000 to 200,000 square kilometers or more. The disaster is average, but sometimes the rainfall intensity is extremely strong, which may cause severe regional heavy rains and floods.

Extremely large-scale heavy rains last the longest and are generally a combination of multiple consecutive heavy rains in multiple areas. The rainfall can last intermittently for about 1 to 3 months, and the rain belts are maintained for a long time. Extremely heavy rain is a kind of disastrous weather that often causes floods and severe soil erosion, leading to major economic losses such as engineering failures, embankment failures, and crop flooding. Especially for some low-lying and blocked areas, rainwater cannot be released quickly, resulting in water accumulation in farmland and over-saturation of soil moisture, which will cause more disasters.

So, that’s it for the formation of heavy rain. It started with a talk about the dangers of heavy rain in mountain villages.

Under the action of heavy rain, landslides, mudslides, floods, and breaches will occur in mountainous areas.

No matter how these disasters occur, they will cause houses to collapse, crops to be flooded, and people and property to be lost.

After talking about the dangers, it’s time to talk about how to avoid the dangers.

Stay away from street lights and high-voltage lines to avoid electric shock.

(There are many base stations and high-voltage lines in mountainous areas due to terrain reasons)

Stay away from walls and dangerous buildings in disrepair

Stay away from ditches, under bridges and large pits