Front

What is a tornado warning?

Back

A tornado warning is an alert issued when a tornado has been sighted or indicated by weather radar, indicating that immediate action is necessary to protect life and property.

Front

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

Back

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

Front

What does EF stand for in EF1 and EF3 tornadoes?

Back

EF stands for Enhanced Fujita scale, which measures the intensity of tornadoes based on the damage they cause.

Front

What are the wind speeds of an EF1 tornado?

Back

An EF1 tornado has wind speeds of 86 to 110 mph.

Front

What are the wind speeds of an EF3 tornado?

Back

An EF3 tornado has wind speeds of 136 to 165 mph.

Front

What stage of a thunderstorm is characterized by warm moist air rising?

Back

The Cumulus stage is characterized by warm moist air rising and forming clouds.

Front

What happens during the Mature stage of a thunderstorm?

Back

During the Mature stage, the thunderstorm reaches its peak intensity, producing heavy rain, strong winds, and possibly hail.

Front

What is the Dissipating stage of a thunderstorm?

Back

The Dissipating stage is when the storm weakens and rain decreases as the updrafts diminish.

Front

How does thunder form?

Back

Thunder forms when heat from lightning causes a rapid expansion of air that quickly collapses, creating a sound wave.

Front

What season are tornadoes most common in the United States?

Back

Tornadoes are most common in the spring.