Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


The layers of air that surround the earth

air pressure

The force of the weight of air pressing down on a unit of area

relative humidity

A comparison of the actual amount of water vapor in the air to the amount of water vapor that would be in the air if it were saturated


The boundary between two air masses that collide


The average of all weather conditions in an area over a period of time


A strong storm with rain, lightning, and thunder


A violently rotating column of air that extends downward from a thundercloud and touches the ground


A large, rotating tropical storm system with wind speeds of at least 74 miles per hour


A winter storm with strong winds and large amounts of heavy, blowing snow

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 and try again


Reload the page to try again!


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

Voice Recording