Historically, can a typhoon cross the whole of China and reach Russian?

The situation described is impossible, and can be analyzed by combining the nature of typhoon and the terrain of China:

1. The condition for the typhoon to persist is to absorb the heat on the ocean. Leaving the ocean and reaching the land, the typhoon's wind will gradually weaken. And generally speaking, typhoons move at low latitudes, and few typhoons can reach high latitudes.

2. China doesn't run to Ma Pingchuan from north to south like the North American continent, and there are too many east-west mountains in China, even the monsoon can't be completely connected; The high pressure area in the north of China can stop typhoons.

And according to historical records, there has never been such a phenomenon.

Extended data:

typhoon

1, typhoon source

Typhoon source refers to the sea areas where typhoons often occur, and global typhoons mainly occur in 8 sea areas.

In the northern hemisphere, there are five sea areas: the western and eastern North Pacific, the western North Atlantic, the Bay of Bengal and the Arabian Sea, while in the southern hemisphere, there are three sea areas: the western South Pacific, the western and eastern South Indian Ocean.

From the regional distribution map of the number of typhoons and their percentage in the total number of typhoons in the world, it can be seen that there are 62 typhoons on average every year in the world, and there are many more typhoons in the western ocean than in the eastern ocean.

Among them, the northwest Pacific is the most (accounting for more than 36%), while typhoons have not been found in the South Atlantic and Southeast Pacific.

Typhoon sources in the northwest Pacific are divided into three relatively concentrated areas: the ocean east of the Philippines, the ocean near Guam and the central South China Sea. The typhoon formed in the South China Sea has a great influence on the south of China.

Most typhoons occur at 5 ~ 20 latitudes, especially at 10 ~ 20, accounting for 65% of the total. However, only 65,438+03% typhoons occur at higher latitudes outside 20, and there are few typhoons within 5 near the equator, but there are occasional typhoons. For example, the Fujian Meteorological Observatory found that there were three typhoons south of * * * 5° n in the northwest Pacific Ocean in recent two years.

According to the analysis of satellite data in recent ten years, the disturbed cloud cluster that developed into a typhoon can be found a few days ago, so the initial position of the disturbance is actually east of the previously found position.

For example, in the North Atlantic, it used to be thought that most of the initial disturbances that developed into typhoons originated in the middle of the ocean, while some people thought that two-thirds of typhoon disturbances originated from the African continent every year according to cloud image analysis.

These disturbances usually appear in the form of inverted V-shaped or vortex clouds. They moved westward along the easterly airflow and developed into typhoons when they reached the central North Atlantic and the Caribbean. The initial disturbance position of typhoons in the northwest Pacific and South China Sea is also eastward than that previously found.

Internationally, the intensity is determined and graded by the maximum wind force near its center;

Typhoon energy

The asymmetry of typhoon structure is also a feature that people pay attention to.

The analysis shows that there is obvious asymmetry in the inner and outer areas of the typhoon, which plays an important role in the development of the typhoon and the transportation of momentum and kinetic energy.

Weather-scale typhoon is a strong dynamic energy in the atmosphere, so it should have an important impact on the change and maintenance of atmospheric circulation, which has attracted people's attention.

On the issue of energy, it is also pointed out that the horizontal vortex transport of angular momentum is very important in the peripheral area of typhoon. In addition, the generation and transport of momentum in the outer region is also very important, which should not be ignored in the typhoon energy budget. These are all related to the asymmetry of the typhoon.

References:

Baidu Encyclopedia: Typhoon