1. Tornados
By Sofia Beck

2. Tornados Lets Look at different categories of Tornados!!!
A tornado is a rapidly rotating column of air
it is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud

3. Tornado Category 0 Light Damage Some damage to chimneys
branches broken off trees
shallow-rooted trees pushed over
sign boards damaged
Wind speeds at miles per hour

4. Tornado Category 1 Moderate damage Peels surface off roofs
mobile homes pushed off foundations or overturned
cars blown off roads
Wind speed at miles per hour

5. Tornado Category 2 Considerable Damage Roofs torn off frame houses
mobile homes demolished
boxcars overturned
large trees snapped or uprooted
cars lifted off ground
Wind speeds at miles per hour

6. Tornado Category 3 Severe tornado Severe damage
Roofs and some walls torn off well-constructed houses
Trains overturned
Most trees in forest uprooted
Heavy cars lifted off ground and thrown
Wind speed miles per hour

7. Tornado Category 4 Devastating tornado Devastating damage
Well-constructed houses leveled
Structure with weak foundation blown off some distance
Cars thrown
Wind speed miles per hour

8. Tornado Category 5 Lets look at famous tornados!!! Incredible tornado
Incredible damage
Strong frame houses lifted off foundations and carried considerable distance to disintegrate
Trees debarked
Incredible phenomena will occur

9. Over 200 city blocks torn apart
St. Louis, Mo. (Sep. 29, 1927)
FAST FACTS
72 fatalities, 550 injured
Total damage estimate corrected for inflation: $2.077 billion (2011 dollars)
Over 200 city blocks torn apart

10. Tuscaloosa, Ala. (Apr. 27, 2011) FAST FACTS
65 fatalities, 1500 injured
Total damage estimate:  $2.2 billion
Tornado path length:  80.68 miles

11. Joplin, Mo. (May 22, 2011) FAST FACTS
161 fatalities (Deadliest single U.S. tornado since 1947)
Total damage estimate:  $2.8 billion
7,500 residential dwellings damaged affecting more than 17,000 people

12. 255 fatalities, at least 1000 injured
St. Louis, Mo. (May 27, 1896)
FAST FACTS
255 fatalities, at least 1000 injured
Total damage estimate corrected for inflation: $2.56 billion (2011 dollars)
Generated F4 damage

13. Deadliest U.S. tornado: 695 fatalities, 2,027 injuries
"Tri-State Tornado" (Mar. 18, 1925)
FAST FACTS
Deadliest U.S. tornado:  695 fatalities, 2,027 injuries
Path length: 219 miles, but new research suggests it was at least 174 miles
Total damage estimate corrected for inflation: $1.46 billion (2011 dollars)

14. Nearly Blown Away By a Tornado

15. Now you know more about tornadoes!!!