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Transcript of Tornado
What is a tornado?
A tornado is a type of natural disaster that is a violent and destructive storm in which powerful winds move around in a funnel shape and a central point.
History of tornadoes in USA
Types of tornadoes
Quiz Time!!! =)
On an average year, USA receives more than 1,200 tornadoes
Most tornadoes in Unites States takes place east of the rocky mountain
Nearly a third of these tornadoes occur in Texas,Oklahoma,Kansas and Nebraska.They are known as the "Tornado Alley"
In USA,tornadoes can occur at anytime,they are most common in spring and least common in winter
Spring is a translational period for the climate;there is more chance of cooler air meeting with warmer air,resulting in more thunderstorms
Thunderstorms capable of producing tornadoes usually from when the temperature is at its highest,typically from
4:00 PM - 7:00 PM
Most tornadoes have wind speeds less than 100 miles per hour (161 kilometers per hour)
In Nebraska, the city Omaha had a tragic tornado in May,1975
The tri-state tornado was the deadliest tornado in USA history,it killed 695 people
The most tornadoes in one year occurred in 2003,when 1,376 tornadoes were reported
2003 also brought the highest number of tornadoes in a ten-day period from May 1 - May 10,causing 412 tornadoes
The most expensive tornado in USA was on
May 3,1999 in Oklahoma,causing more than
$ 1 billion in damage
The most tornadoes occurring over a period of time happened on April 3,1974,also known as "Super Outbreak" caused 148 tornadoes in less than 24 hours from Michigan to Alabama
United States experiences approximately 75% of the world's tornadoes
Tornadoes also occur in Canada,Mexico,Europe,Bangladesh, Australia,Argentina,South Africa and South America
USA and Canada combined makes 80 % of the world's tornadoes
Waterspouts are tornadoes that form over a body of water
A strong tornado can pick up a house and move it down the block
Tornado winds are the fastest winds on earth
Once in Oklahoma, a tornado destroyed a hotel and later on the sign of the hotel was found in Arkansas
Tornadoes can sometimes skip something,like destroying one house and leaving the house beside it untouched
In 1928,a tornado in Kansas plucked the feathers right off some chickens
In 1931,a tornado in Mississippi lifted a 83 ton train and threw it 80 feet from the track
Regularly, a tornado's color matches the color of the ground
What type of shape does tornado winds move around in?
On an average year,how many tornadoes does USA receive?
Where do most tornadoes take place in USA?
Which four states are known as the "Tornado Alley"?
Thunderstorms that are capable of producing tornadoes at a high temperature are usually from what time?
What city in Nebraska had a tragic tornado in May,1975?
How many tornadoes where reported in 2003?
What state caused $1 billion in damage in USA?
How many tornadoes did the "Super Outbreak" on
April 3,1974 cause in less than 24 hours?
USA and Canada combined makes______of the world's tornadoes.
True or False?
Tornadoes can sometimes skip something,like destroying one house and leaving the house beside it untouched.
What would you do if you saw a tornado happening near you?
How would you prepare for a upcoming tornado that you were warned about?
How long do you think a tornado lasts?
What do you think happens when two tornadoes come together?