Exam 9: Air Masses and Fronts

What types of weather changes accompany the passage of a dryline (dew point front)?

In the Southern Hemisphere,

What type of air mass would be responsible for refreshing cool,dry breezes after a long summer hot spell in the Central Plains?

Occluded fronts may form as:

Which of the following statements is most plausible?

How would a warm front,a cold front,and a center of low pressure appear on a surface weather map in the Southern Hemisphere?

An air mass is characterized by similar properties of __________ and __________ in any horizontal direction

Fronts are associated with high pressure.

A dryline is a stalled cold front.

A good source region for an air mass would be:

Before the passage of a cold front the pressure normally __________,and after the passage of a cold front the pressure normally __________.

What type of weather front would be responsible for the following weather forecast: "Increasing cloudiness and warm today with the possibility of showers by this evening.Turning much colder tonight.Winds southwesterly becoming gusty and shifting to northwesterly by tonight."

A cold front that moves into New England from the east or northeast is called:

The greatest contrast in both temperature and moisture will occur along the boundary separating which air masses?

Which air mass would show the most dramatic change in both temperature and moisture content as it moves over a large body of very warm water?

One would expect a cP air mass to be:

The origin of cP and cA air masses that enter the United States is northern Siberia.

During the winter as you travel toward a warm front,the most likely sequence of weather you would experience is:

The rising of warm air up and over cold air is called overrunning.

During the winter,an air mass that moves into coastal sections of Oregon and Washington from the northwest would most likely be maritime Polar.