The border between an advancing mass of cold air and a receding mass of warm air.

The border between an advancing mass of warm air and a receding mass of cooler air.

A body of air in the atmosphere that has mostly constant temperature, humidity, and pressure.

The daily environmental changes in a specific location or time period.

Warmer air masses are less dense and have less pressure than colder air masses.

Which city just experienced long, gentle storms?

Which city just experienced short, but intense storms?

The local meteorologist said that a Continental Tropical (cT) air mass was moving over Tennessee in the next few days. What kind of weather will it bring?

What kind of weather is a high-pressure system most likely to bring?

Which instrument measures air pressure?

Which instrument measures temperature?

What kind of weather is a low-pressure system most likely to bring?

On a summer day, a barometer reading shows an increase in air pressure (it's getting higher). What type of weather should be expected?

What does A represent?

In which direction is D moving?

This type of front happens when a warm air mass advances over a cooler air mass. As this front passes, one can expect better weather, with clear skies and warm temperatures.

Where am I most likely to find thunderstorms and heavy short rains?

What kind of weather can you expect to see next to the red arrow on the map below?