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