Вот о Торнадо Tornadoes are most often observed in North America. So, in April, 1965 over the USA at the same time there were 37 various tornadoes on power, up to 10 km high and in the diameter about 2 km, with a speed of wind up to 300 km/h. These whirlwinds made enormous destructions in six states. Studying the reasons of emergence of a tornado, scientists use theoretical development, the data obtained in the course of supervision, physical models, but for decades of a tornado continue to annoy people.
