Where do tornadoes most often appear? Is it very destructive?

A devastating tornado happened in Kaiyuan, Liaoning Province, and many people began to pay attention to it. Although it is a threat, in many people's impression, this kind of disastrous weather mostly occurs in the United States, but less in China. Indeed, there are about one or two thousand tornadoes in the United States every year, which is called "the hometown of tornadoes". Moreover, the direction of most tornadoes in the United States is called "tornado corridor", which is located in the central plains of the United States. Kaiyuan, Tieling, Liaoning Province is also located on the northeast plain, so why do tornadoes occur more often in the plain area?

The flat landform is indeed related to the occurrence of tornadoes. Tornado is simply that the updraft is affected by horizontal wind, and when both of them are strong, it produces vortex. In flat areas, these two cyclones are very easy to cause. In summer, the surface temperature will be very high, but the relative height is low, and the temperature difference between them is very large. The hot and flat road surface promotes the gas to heat up, resulting in obvious updraft. Especially in Tieling, Liaoning, in recent months, high-temperature orange warning has been issued frequently, and the temperature has broken the historical time value. At the same time, the horizontal shear wind in plain area is stronger than that in dangerous area. Because of the road surface going back and forth on the hillside, the heating utility changes greatly, and is blocked by the terrain, the horizontal wind generated is not convenient for system software and industrialization.

If we see a tornado, how can we avoid it?

The inclined position of the tornado is the moving position. When you see it askew, you should avoid it. It is better to escape from the vertical position than from the askew position. Its diameter is not easy to be very large, most of them are only a few meters to tens of meters, and 500 meters is very small. There is no need to be so nervous that the ostrich will not move. But it will bounce forward, that is, it will leave the ground for a while and touch the road for a while, so you don't have to be lucky when there is no wind on the road. Probably bounce back from the sky right away.

If you are in the management center of the birthplace of tornado, you'd better hide in a low-lying place. You don't have to hide in the car. Tornadoes can easily overturn cars. If you are in a residential area, there is no doubt that you should hide in a very solid house, preferably under the dining table or in the basement of the villa. Because all kinds of dirt such as window glass, advertising signs, street lamps and roofs may be blown around, it is very easy to hit people.

Secondly, most of these small-scale weather systems have thunderstorms or cumulonimbus clouds, and there is no rainy day. Therefore, avoid thunderstorms and clouds under gray pressure. Tornadoes and tornadoes mostly occur in spring and summer, mostly on land in the afternoon and mostly at sea in the morning. The probability of occurrence in the future will be very small, and it will be helpful to understand this regularity.

This disaster is a wake-up call for everyone, and we must better grasp this kind of weather. Because of the short time and small scope, it is difficult to know where the tornado will happen according to the weather forecast. At present, it can only be predicted and analyzed according to the chart, but it was only predicted and analyzed half an hour ago, so it is necessary for people to be diligent and predict tornadoes more accurately and earlier.