Weather Fronts and Air Masses

Front

What is precipitation?

Back

Precipitation is any form of water that falls from clouds, including rain, snow, sleet, and hail.

Front

What does a 'H' represent on a weather map?

Back

A 'H' indicates a high pressure system.

Front

What occurs when a warm air mass is caught between two cooler air masses?

Back

An occluded front occurs.

Front

What type of weather is typically associated with a high pressure system?

Back

A high pressure system usually brings nice weather.

Front

What is formed when a warm air mass moves over a cool air mass?

Back

A warm front is formed.

Front

What is a cold front?

Back

A cold front is the leading edge of a cooler mass of air, replacing a warmer mass.

Front

What weather conditions are associated with a cold front?

Back

Cold fronts typically bring thunderstorms, heavy rain, and a drop in temperature.

Front

Define an air mass.

Back

An air mass is a large body of air that has uniform temperature and humidity characteristics.

Front

What are the four main types of air masses?

Back

The four main types of air masses are continental polar (cP), continental tropical (cT), maritime polar (mP), and maritime tropical (mT).

Front

What is a stationary front?

Back

A stationary front occurs when a warm air mass and a cold air mass meet but neither advances.