Chapter 3

19 terms by mnovotny 

Ready to study?
Start with Flashcards

Create a new folder

Advertisement Upgrade to remove ads

air mass

a huge body of air that has similar temperature, humidity and air pressure at any given height.

tropical

A warm air mass that forms in the tropics and has low air pressure

polar

A cool air mass that forms north of 50 degrees north latitude or south of 50 degrees south latitude and has high air pressure

maritime

A humid air mass that forms over oceans

continental

A dry air mass that forms over land

front

The boundary where unlike air masses meet but do not mix

cyclone

A swirling center of low air pressure

anticyclone

A high-pressure center of dry air. The weather usually associated with this is dry and clear

stationary front

Cold and warm air masses meet, but neither can move the other

cold front

A fast-moving cold air mass overtakes a warm air mass

warm front

A warm air mass overtakes a slow-moving cold air mass

occluded front

A warm air mass is caught between two cooler air masses

How are air masses classified?

temperature and humidity

What are the four major types of air masses? are they dry or humid?

maritime polar and maritime tropical (humid) continental tropical and continental polar (dry)

What type of weather does a warm front bring?

rainy of cloudy

What type of weather does a cold front bring?

rain or snow, clouds

What type of weather does a stationary front bring?

clouds and precipitation

What type of weather does a occluded front bring?

temperature becomes cooler, weather may turn cloudy and rain or snow may fall

What is the difference between a cyclone and an anticyclone?

The direction of their winds

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set