Thunderstorms, Tornadoes, and Hurricanes

Front

What is a thunderstorm?

Back

A thunderstorm is a rain-bearing cloud that produces lightning and thunder. It is characterized by heavy rain, strong winds, and sometimes hail.

Front

What causes thunder?

Back

Thunder is caused by the rapid expansion of air surrounding a lightning bolt, which creates a shock wave that we hear as sound.

Front

What is lightning?

Back

Lightning is a sudden electrostatic discharge that occurs during a thunderstorm, resulting in a bright flash of light.

Front

How many lightning strikes occur on Earth per second?

Back

Approximately 100 lightning strikes occur on Earth every second.

Front

What are the main ingredients for tornado formation?

Back

Tornadoes form when moist, warm air meets cool, dry air, creating instability in the atmosphere.

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.

Front

How do hurricanes form?

Back

Hurricanes form over warm ocean waters when moist air rises and creates low pressure, leading to the development of storm systems.

Front

What is the Saffir-Simpson scale?

Back

The Saffir-Simpson scale is a classification system for hurricanes that rates their intensity based on wind speed and potential damage.

Front

What happens to a hurricane when it moves over land?

Back

A hurricane weakens when it moves over land due to the loss of warm water and moisture, which are essential for its energy.

Front

Which way do hurricane winds rotate in the Northern Hemisphere?

Back

In the Northern Hemisphere, hurricane winds rotate counter-clockwise.