Unit Four Severe Weather

Front

What speed must the winds be in order for a tropical storm to be classified as a hurricane?

Back

74 mph

Front

What severe weather phenomenon has the HIGHEST wind speeds possible?

Back

Tornado

Front

How does the Fujita scale measure a tornado's intensity?

Back

By analyzing the damage the tornado has done & matching that to wind speeds.

Front

What is caused by the rapid heating of air by a lightning strike?

Back

Thunder

Front

What type of thunderstorm is usually produced by an advancing cold front?

Back

Frontal thunderstorm.

Front

What is a tornado?

Back

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

Front

What is the difference between a hurricane and a tornado?

Back

Hurricanes are large storm systems with strong winds and heavy rain, while tornadoes are smaller, more intense windstorms.

Front

What scale is used to classify hurricanes?

Back

The Saffir-Simpson Hurricane Wind Scale.

Front

What are downdrafts in a thunderstorm?

Back

Downdrafts are downward currents of air that can cause strong winds and precipitation.

Front

What is hail?

Back

Hail is a form of precipitation that consists of balls or irregular lumps of ice.