Tornadoes: Understanding the Basics

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Questions and Answers

What is the average annual number of tornadoes experienced by the United States?

  • More than 1,200 (correct)
  • Around 500
  • Over 2,000
  • Less than 100

What is the term for a column of violently rotating air formed during thunderstorms?

  • Supercell
  • Cyclone
  • Tornado (correct)
  • Twister

In which region of the United States are tornadoes most likely to occur?

  • The East Coast
  • Tornado Alley (correct)
  • The West Coast
  • The Gulf Coast

When are the conditions most favorable for tornado formation?

<p>During late spring and summer (C)</p> Signup and view all the answers

What is the likelihood of a supercell producing a tornado?

<p>20% (B)</p> Signup and view all the answers

What is the primary condition for tornado formation?

<p>Varying wind speeds at different altitudes (C)</p> Signup and view all the answers

How do meteorologists predict tornadoes using Doppler radar technology?

<p>By looking for areas of rotation within a thunderstorm (C)</p> Signup and view all the answers

What is the estimated annual damage caused by tornadoes in the United States?

<p>$400 million (B)</p> Signup and view all the answers

What is the purpose of the Enhanced Fujita Scale?

<p>To evaluate the degree of damage caused by a tornado (C)</p> Signup and view all the answers

What is the relationship between a tornado's size and path length, and its level of destruction?

<p>Positive correlation (C)</p> Signup and view all the answers

What is the relationship between path length and tornado intensity?

<p>As path length increases, intensity also increases (B)</p> Signup and view all the answers

What was the primary basis for the Fujita-Pearson (FPP) scale?

<p>Types of damage found in a specific location (C)</p> Signup and view all the answers

What is the primary difference between the Fujita-Pearson (FPP) scale and the Enhanced Fujita (EF) Scale?

<p>The EF Scale incorporates additional damage indicators (A)</p> Signup and view all the answers

What is the wind speed range for an EF3 tornado?

<p>136-165 mph (C)</p> Signup and view all the answers

What is the highest rated tornado on the Enhanced Fujita Scale?

<p>EF5 (B)</p> Signup and view all the answers

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