Tornadoes

Vocabulary flashcards covering key concepts related to tornadoes, including geography, seasonality, intensity, and measurement scales.

Where are approximately 75% of all tornadoes reported worldwide?

The United States.

On average, how many tornadoes strike the USA every year?

Approximately 1,200.

When was the Fujita Scale first introduced?

1971.

What kills most people during a tornado?

Flying debris.

When is tornado season in the USA?

March to June.

What does the TOR:CON Index measure?

The risk of a tornado forming within 50 miles of a specific location.

When was the Enhanced Fujita (EF) Scale introduced by meteorologists?

February 1, 2007.

What is a tornado warning?

A tornado has been seen; imminent danger; protect yourself in shelter.

How is Climate Change influencing or changing Tornadoes?

Tornado Alley shifting eastward, more concentrated outbreaks.

How is tornado intensity determined on the EF Scale?

Wind speeds based on severity of damage; 'Damage Indicators' & 'Degree of Damage' assessed; DOD 0-5 EF rating.

What is a hazard to watercraft & aircraft regarding tornadoes?

Waterspouts moving inland become standard tornadoes.

Which State in the USA has the highest average number of tornadoes per year?

Texas.

Where is Dixie Alley?

Southeastern US, including Mississippi, Alabama, Arkansas, Tennessee, Louisiana, and Georgia; prone to severe, long-track tornadoes.

What is Tornado Alley?

Central US Great Plains, including South Dakota, Nebraska, Kansas, Oklahoma, and North Texas.