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Defination of tornado
Most Tornadoes have wind speeds between 40km/h and 110km/h.
Tornadoes occurs in the Tornado Alley region of the United States, North America, South Africa, South-Centeral and eastren Asia,Australia,New Zealand.
Torndo damage is caluclated by Fujita Scale.
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At each year more then1000 Tornadoes hit the united states
A typical tornado travels at around 10-20 miles per hour.
Tornadoes occur during the months of May, June, July and August in the late afternoon and evenings.
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Scientests generally this roatation is called mesocyclone.
A tornado is also commonly referred to as a "twister".
Torando formation
Most tornadoes form from thunderstorms.
Tornadoes are formed when hot air and cold air are mixed with each other.
Types of tornadoes
A Tornado which occurs over a water is called water support tornado.
It form from thunderstorms or rapidly growing cumulus clouds.
Water supports are usually less damage.
1.weater support
It contact with the ground.
Land support Tornado usually high damage
Effects of Tornado
Effects of Tornado
1. Tornadoes can make People die.
2. At each year 5000 average number of people were killed.
3.Tornado in Bangladesh on April 26, 1989, which killed approximately 1300 people.
4.which roared through parts of Missouri, Illinois, and India on March 18, 1925.
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5.Tornadoes can cause thousands to millions of dollars in damage.
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The Oklahoma City tornado on May 3, 1999, was one of the most expensive tornadoes in U.S. history.
It resulted in one billion dollars of damage including destroying over 2,500 structures.
Summry
The most famous Tornadoes occurs inTornado alley.
Tornadoes are two types
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