Severe Weather

Front

What is the Enhanced Fujita scale used for?

Back

It is used to measure tornado intensity, ranging from EF0 to EF5.

Front

What type of thunderstorms are most likely to produce tornadoes?

Back

Supercell thunderstorms are conducive to tornado formation.

Front

Which causes more deaths: lightning, tornadoes, or hurricanes?

Back

Lightning causes more deaths than tornadoes or hurricanes.

Front

What is the term for the upward movement of air that helps form a supercell tornado?

Back

Updraft.

Front

What type of electrical charge is typically found at the upper part of a thunderstorm cloud?

Back

Positive charge.

Front

What is a tornado?

Back

A tornado is a rapidly rotating column of air that extends from a thunderstorm to the ground.

Front

What conditions are necessary for tornado formation?

Back

Warm, moist air at the surface, cool, dry air aloft, and wind shear.

Front

What is wind shear?

Back

Wind shear is the change in wind speed and direction with height in the atmosphere.

Front

What is a supercell?

Back

A supercell is a highly organized thunderstorm characterized by a rotating updraft.

Front

What is the difference between a tornado watch and a tornado warning?

Back

A tornado watch means conditions are favorable for tornadoes, while a tornado warning means a tornado has been sighted or indicated by radar.