Why does it hail in Nanjing in July?

Because the weather in Nanjing is very hot in July, high temperature will lead to very active warm air. When warm air meets active cold air, it is easy to form hail.

It should also be noted that hail usually occurs in the afternoon or evening, mainly because the strong convection is strongest during this time period. Therefore, in such hot weather, it is best to take an umbrella when going out, which can not only block the sun, but also effectively prevent extreme weather such as hail.

In fact, the main reason for the frequent occurrence of extreme weather this year is that the temperature in this summer is too high. Since it fell, many provinces in China have been shrouded in a high temperature environment, just like taking a sauna together. Under such high temperature, very serious weather disasters will occur.

It is invisible, and it can hurt people invisibly. It's a high temperature heat wave. In fact, the death toll caused by high temperature and heat wave is far greater than that caused by natural disasters such as floods and tornadoes.

Disaster characteristics of hail;

1, with strong locality, the impact range of each hail is generally tens of meters to thousands of meters wide and hundreds of meters to more than ten kilometers long.

2. The duration is short. A rainstorm or hail usually lasts only 2 ~ 10 minutes, and a few last more than 30 minutes.

It is greatly influenced by the terrain. The more complex the terrain, the greater the possibility of hail.

4. There are great changes from year to year. In the same area, some years appear many times in succession, and some years rarely or never appear. ?