AIR MASSES AND FRONTS

_____ occur when two _____ meet. Air masses, fronts Fronts, air masses Cyclones, fronts Fronts, clouds

Fronts, air masses

The meteorologist says there's a cold front moving in. How will you prepare? Leave your umbrella at home because at worst there will be a light rain. Get out the sunblock because it'll be clear skies. Get inside the house and close the windows because a storm is coming!

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 must be 1,000 miles or more in size. It has different temperatures but uniform humidity. It flows as one unit. It must form over a low-pressure area. It has a uniform temperature and humidity.

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

cyclone

a severe storm

When a cold front overruns a warm front, trapping it against another cold air mass, it produces _____. a warm front a cold front a stationary front an occluded front

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 _____. severely bad weather clear skies light precipitation mid-latitude cyclones

light precipitation

A mid-latitude cyclone occurs when two different air masses begin to spin around a _____-pressure center. high low no dispersed

low

A continental tropical air mass formed over the Southwest U.S. This area is called its _____. home region mass region source region front region

source region

When describing a maritime polar air mass, you might say it formed over _____ and is _____. water, cold and moist land, cold and dry water, cold and dry land, cold and moist

water, cold and moist

front

where two different air masses meet