Tornadoes

A tornado is a violently rotating column of air that extends from a thunderstorm cloud to the earth’s surface. They are sometimes nicknamed twisters because of their shape and because of what they do. The winds in the tornadoes are usually 100mph or less. In +F4's they can exceed 250mph. They usually stay on a track of a few miles or less and are less than 100 yds. wide. For the development of tornadoes …showed first 75 words of 986 total…

…showed last 75 words of 986 total…lifted off the ground and thrown weak pavement blown off the roads. F4Wind: 207-260mphDevastating Damage: Well constructed houses leveled structures with weak foundations blown off the distance cars thrown and disintegrated trees in forest uprooted and carried some distance awayF5Wind: 261-318mphIncredible Damage : Strong frame houses lifted off foundations and carried considerable distance to disintegrate automobile sized missiles fly through the air in excess of 300 feet trees debarked incredible phenomena will occur.