Tornadoes Jessica Brewer Nick Banman
The Forming of Tornadoes • Abundant low level moisture is necessary • Air will rise and become saturated • If atmosphere is unstable the wet air will rise and produce a cumulonimbus cloud
Parts of a Tornado http://www.youtube.com/watch?v=ERmcJQnvEmM • Multi vortex • Eye • Inflow tail
Fujita Scale • F0, F1, F2, F3, F4, F5 (F2-F5=causing fatalities) • Introduced by Tetsuya Fujita in 1971 • EF scale introduced 2007
Safety Procedures • If in a shelter, get to the lowest level of the place andget under a table. • Stay away from windows! • If in a vehicle, abandon it and lie in a ditch or culvert. • Main thing is get underground and under a table.
Joplin Tornado • Peak winds at over 200 miles per hour • Killed 162 people • Caused and estimated 2.8 billion dollars in damage • Estimated that 17,000 people were affected • After two years the town is still rebuilding http://www.weather.com/video/surveillance-video-of-joplin-tornado-28609
Daulatpur-Salturia Tornado • Deadliest tornado in world history was recorded in Bangladesh on April 26, 1989. • It killed approximately 1,300 people.
Super Outbreak • The most extensive tornado outbreak was the Super Outbreak that went through a large area of central United States and southern Ontario in Canada on April 3 & 4, 1974. • There was 148 tornadoes in 18 hours; Seven of them were F5s and 23 were F4s.
Super Outbreak Cont. • However this record was broken during the April 25-28, 2011 tornado outbreak. • This one featured 358 tornado touchdowns.
Test Questions • What is the scale called that measures how strong a tornado will be? What is the updated version? • What is one way a tornado can form? • What is one part of a tornado? • Name two safety precautions you should take. • T/F: The eye of a tornado is nearly the same as the eye of a hurricane?