Isobars on a weather map show areas of EQUAL pressure. If the Isobars are close together, what does it tell you about the weather in that area on a map?

Which type of air is more dense?

When two air masses collide, a boundary forms between them called a ________________.

On a weather map, the curved lines showing areas of equal pressure are called

Air masses are classified according to temperature and humidity. What name would be given to a cool, moist air mass?

The condition of the atmosphere at a particular time and place is called

Which direction do weather systems typically move across the United States?

Which type of front moves slowly, or not at all?

Which cities are probably experiencing stormy or rainy weather?

What type of front does this symbol represent?

What front does this symbol represent?

_______ pressure systems are characterized by cloudy, rainy weather.

A cold front is approaching Minneapolis. What will happen to the air temperature?

Which city just had a warm front move through?

On the weather map, which area just had a cold front move through?

A High Pressure system bring what kind of weather?