Thunderstorms Lesson 1 Check

What are the three conditions necessary for a thunderstorm to form?

• High humidity, low pressure, and stable atmosphere

• Source of moisture, lifting of the air mass, and unstable atmosphere

• Cold air, high pressure, and stable atmosphere

• Warm air, low pressure, and stable atmosphere.

Which of the following is a focus question mentioned in the document?

• How do hurricanes form?

• What does a thunderstorm need to grow?

• Why do tornadoes occur?

• What causes rain?

What is the significance of the stability of the air in thunderstorm formation?

• Stable air promotes thunderstorm formation

• Unstable air resists thunderstorm formation

• Stable air resists uplift, preventing thunderstorms

• Unstable air prevents cloud formation.

What is the first condition necessary for a thunderstorm to form?

• High temperature

• Abundant moisture

• Strong winds

• Low pressure

Which condition is NOT necessary for thunderstorm growth?

• Moisture

• Lifting mechanism

• Stability

• High pressure

Mountain thunderstorms occur when air mass rises by ________ lifting.

• Convective

• Orographic

• Frontal

• Cyclonic

Frontal thunderstorms are produced by advancing ________.

• Warm fronts

• Cold fronts

• Stationary fronts

• Occluded fronts

Cold-front thunderstorms can persist long into the night. True or False?

• True

• False

During the day, the temperature of land increases faster than the temperature of water, causing a ________.

• Sea breeze

• Land breeze

• Mountain breeze

• Valley breeze

The cumulus stage of a thunderstorm is characterized mainly by ______.

• Downdrafts

• Updrafts

• No drafts

• Side drafts