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Paige Cook

on 11 March 2013

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Transcript of Tornadoes!!

Tornadoes By: Paige Cook & Caitlin Freda Tornadoes are violent rotating columns of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction with wind speeds of up to 300mph. Most tornadoes form from thunderstorms . You need warm, moist air from the Gulf of Mexico and cool, dry air from Canada. Tornado damages -tree limbs broken
-roof surfaces damaged
-windows broken
-houses destroyed
-asphalt torn from roads etc. Locations for tornadoes
-Iowa Classification F-0:40-72mph:Light damage F-1:73-112mph:Moderate damage F-2:113-157mph:Considerable damage F-3:158-205mph:Severe damage F-4:207-260mph:Devastating damage F-5:261-318mph:Violent damage Guidelines for a Tornado 1.Listen to weather sirens
2Notify friends and family
3.Locate all children or handicapped into shelter Historical Tornadoes The tornado of April 3-4, 1974 when Xenia hit Clark County and killed more than 6,000 people! FUN FACTS!! -Tornadoes can multiply in water
-Each year about one thousand tornadoes occur
-Waterspouts are tornadoes made of water
-A strong tornado can move a house down the street
-3 out of 4 tornadoes are in the U.S.A 4.Flashlight That's the end!
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