Exam 9: Air Masses and Fronts

Which air mass is responsible for bringing virtually all of the moisture that impacts the United States east of the Rocky Mountains?

The arctic front

________ air masses can form over the southwestern United States in summer,and are typically hot and dry.

When mT air flows inland from the Gulf of Mexico,it

This is a typical number of air masses to be over the United States at one time.

A(n)________ front can often overrun the air mass ahead.

Describe the cloud sequence associated with the approach and passage of a warm front.

Which air mass is associated with the highest sea level pressure?

During winter,________ air masses are associated with poor air quality in urban areas because cold conditions lead to increased consumption of heating fuel.

The air masses that approach the west coast of North America

Large bodies of air that share similar moisture and temperature characteristics are known as ________.

This region of the United States is most greatly affected by mT air masses.

Which of the following air masses has short days and low sun angles during winter?

Air masses are classified according to the ________ and ________ characteristics of their source regions.

In North America,cP masses are most likely to travel

An mT air mass moving toward San Diego from the eastern tropical Pacific

Which of the following does not happen with warm fronts?

A(n)________ front always slopes back over itself.

This is the first type of cloud an observer will see when a warm front is approaching

In North America,mT masses from the Gulf of Mexico are most likely to travel