air mass quiz questions/answers

An air mass is a body of air with

similar values of temperature and moisture at any given altitude

An air-mass source region:

is characterized by a general stagnation of atmospheric circulation

Compared to continental air masses with the same air temperature, maritime air masses:

have higher water vapor content

What weather is associated with cA air masses

cold spells in winter

Most mP air masses that influence the U.S. originate over

the north Pacific

All of the following accompany a classic New England nor'easter EXCEPT

a strong storm forming in Canada and moving into New England from the North

What is an atmospheric river

An atmospheric flow that transports vast amounts of moisture to regions outside of the tropics

In North America the ________ air mass typically forms only in the summer

cT

If an air mass passes over a surface that is warmer than it is, what can be said about the changes likely to happen within that air mass?

The air mass is likely to become more unstable.

Where would you expect to find the greatest amount of lake-effect snowfall?

on the leeward shores of the Great Lakes