Air Masses and Fronts

_____ occur when two _____ meet.

Fronts, air masses

The meteorologist says there's a cold front moving in. How will you prepare?

Get inside the house and close the windows because a storm is coming!

Select all of the answers that apply. Which of the following characteristics must an air mass have?

It has a uniform temperature and humidity. It must be over 1,000 miles or more in size. It flows as one unit.

cyclone

a severe storm

When a cold front overruns a warm front, trapping it against another cold air mass, it produces ______.

an occluded front

source region

area over which an air mass forms

air mass

large body of air with uniform temperature and humidity

Warm fronts and stationary fronts can bring _____.

light precipitation

A mid-latitude cyclone occurs when two different air masses begin to spin around a ______-pressure center.

low

A continental tropical air mass formed over the Southwest U.S. This area is called its _______.

source region

When describing a maritime polar air mass, you might say it formed over _______ and is ______ .

water, cold and moist

front

where two different air masses meet