LETS LEARN ABOUT TORNADOES

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LETS LEARN ABOUT TORNADOES!
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What is a Tornado?

• A tornado is a twisting, funnel-shaped cloud
  extending down from a cumulonimbus cloud.
• Vocabulary
• The vortex of a tornado is the whirling mass of
  water or air.

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How Do Tornadoes Form?

• A tornado forms when cool air coming from the
  west catches up with unusually warm, moist air
  from the south.
• The result is a whirling wind with thick, black
  clouds and thunderstorms.

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What are some characteristics of a Tornado?

• Rapid Air Movement
• Tornado acts like a giant vacuum cleaner,
  sucking in air near the ground.

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(2) Spiraling Winds Storms rotation
twists tornados winds. Dust and debris
darken the base of the funnel.
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(3) A Dangerous Sign Large hail often
falls near tornadoes.
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F-0

• Wind lt 73
• Light damage
• Some damage done to chimneys and TV antennas
  break twigs off trees pushes over shallow-rooted
  trees.

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F-1

• Wind 73-112
• Moderate damage
• Peels surface off roofs windows broken light
  trailer houses pushed or overturned moving
  automobiles pushed off the road.

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F-2

• Wind 113-157

Considerable damage Roofs torn off frame houses,
leaving strong upright walls weak buildings in
rural areas demolished large trees snapped and
uprooted light-object missiles generated.
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F-3

• Wind158-206
• Severe damage
• Roofs and some walls torn off frame houses
  some rural buildings completely demolished
  trains overturned cars lifted off the ground
  most trees uprooted, snapped, or leveled.

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F-4

• Wind 207-260
• Devastating damage
• Whole frame houses leveled, leaving piles of
  debris steel structures badly damaged trees
  debarked cars and trains thrown some distances
  or rolled considerable distances large missiles
  generated.

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F-5

• Wind 260-318
• Incredible Damage
• Whole frame houses tossed off foundations
  automobile-sized missiles generated trees
  debarked.

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• Lets create our own tornadoes!