Tornado-one of the most dangerous and destructive phenomena of nature. - презентация

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2 Tornado-one of the most dangerous and destructive phenomena of nature

3 The cases when warm moist air comes into contact with cold, dry arose over cold sites of land or ocean as a result, a funnel is formed.

4 F0-Storm destroys trees and cause significant damage

5 F1-Moderate. Rips off the roof of houses, moves cars or takes them off the road

6 F2-Significant. Rips roofs off houses and knocked out Windows, and destroys mobile home

7 F3-Strong. Rips roofs off homes,and tilts or turns the trains or cars, pulling out trees.

8 F4-Destructive. Raises in the air in the light house, making the frames( Каркасы ) durable houses

9 F5-Catastrophic.Blows strong home destroys the asphalt blowing away heavy machine could knock down a skyscraper

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