Tornadoes

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Tornadoes

• Z. and T.

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The Basics

• violent rotating column of wind and air
• descends from a thunderstorm
• no other phenomenon can match fury
• destroy large buildings
• lift up 20-ton train
• drive straw and blades of grass into trees and
  telephone poles

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Facts

• Natures most violent storms
• can reach winds up to 300 mph
• can form anytime of year
• take shelter when tornado is nearby
• take tornadoes seriously
• violent rotating winds

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Tornado Scale

• F-0 40-72 mph
• F-1 73-112 mph
• F-2 113-157 mph
• F-3 158-205 mph
• F-4 207- 260 mph
• F-5 261-318 mph

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Where Do They Occur?

• mostly in the United States
• Kansas, Texas, and Oklahoma
• Gulf of Mexico and Rocky Mountains
• also occur in Australia

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Tips

• dont open windows
• try to stay away from windows
• go and seek shelter in basement
• if you dont have a basement, go into a sturdy
  room or under furniture

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How They Work

• near ground layer of warm, humid air
• middle layer acts as a cap
• hot, dry air between upper and lower layers
• cap allows warm air underneath

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Conclusion

• As you can see, tornadoes are very dangerous. If
  you see a tornado, go in a house, basement, or
  cellar. If there are none of these nearby, lie
  low or go in a nearby ditch. Dont underestimate
  the power of tornadoes.

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Sources

• http//teacher.scholastic.com/activities/wwatch/se
  vere.htm
• http//www.fema.gov/kids/dizarea.htm
• http//www.weather.gov/om/reachout/tornadoes.shtml
  
• http//www.education.noaa.gov/cweather.html
• http//www.srh.noaa.gov/oun/papers/overpass/slide0
  1.html Thank You