Air Masses
Fronts
Pressure Systems
100

This air mass forms over land that is cold.

What is continental polar air mass?

100

This front is represented by blue triangles on a weather map.

What is a cold front?

100

This is the type of weather that is typical of low pressure systems.

What is rainy or cloudy weather?

200

This air mass forms over warm water.

What is maritime tropical air mass?

200

This front forms when a cold air mass pushes up a warm air mass and forms tall thunderstorm clouds.

What is a cold front?

200

This is the air pressure associated with clear, sunny skies.

What is high air pressure?

300

This air mass can bring cold dry air.

What is continental polar?

300

This front forms when a cold air mass meets a cool air mass with a warm air mass in the middle. The warm air mass gets cut off from the ground and is forced upward to create clouds.

What is an occluded front?

300

All pressure systems tend to move ____ in the United States due to global winds.

NE        OR     "toward the NE"

                       OR

"from the SW to the NE"

400

This air mass can bring hot, humid weather.

What is maritime tropical air mass?

400

This front is when a cold air mass meets a warm air mass and there is little to no movement.

What is a stationary front?

400

Draw the circulation pattern around a High Pressure system.


500

This air mass could cause droughts

What is continental tropical air mass?

500

This front is represented by red half-circles.

What is a warm front?

500

Draw the 20-degree Celsius isotherm on this map: