The scariest tornado in China.

The most terrible tornadoes in China are: 1956 Shanghai 9.24 tornado EF-4, 1966 Jiangsu Yancheng 3.3 tornado EF-4, 1966 Hebei Bazhou-Tianjin 8.29 tornado EF-4, 1983 Hunan Xiangyin 4.27 tornado.

Tornado, also known as tornado and tornado, is an upright hollow rotating airflow between the bottom of vertical cloud system and the underlying surface. It is a disastrous weather phenomenon on a local scale, usually forming a funnel shape with a big top and a small bottom, extending to the ground and surrounded by dust or debris.

Classification standard of tornado

EF 1, the wind speed is 86- 1 10 miles per hour, which is about 138- 177 kilometers per hour. You can blow the roof off, blow the trailer over, and some lighter cars will be blown over or scraped off the road. (The probability of occurrence is high, 3 1.6%).

Tornadoes are classified as EF2: the wind speed is11-135 miles per hour, which is about 178-2 17 kilometers per hour. Heavy licorice bags can be blown hundreds of meters away, a big tree can be uprooted, and trucks can be blown off the road. (The probability of occurrence is moderately low, 10.7%).