| A | B |
|---|
| relative humidity | amount of water vapor in the air compared to the amount that air can hold at that temperature |
| clouds | formed by a large collection of water droplets in the air |
| precipitation | moisture returning to Earth in form of snow, rain, sleet, or hail |
| cumulus clouds | large, puffy clouds that look like cotton balls |
| cirrus clouds | thin whit clouds that look like feathers high in the sky |
| stratus clouds | low clouds that often produce rain and fog |
| meteorologist | scientist that studies weather |
| air mass | large body of air with nearly the same temperature and humidity |
| front | place where two different air masses meet |
| warm front | a front of warm air that moves into an area |
| cold front | a front of cold air that moves into an area |
| tornado | violent funnel shaped windstorm |
| hurricane | large storm with heavy wind and rain |
| forecast | a prediction about future weather |
| climate | the average of all weather conditions in an area over a period of time |
| polar climate | cold climate |
| geographic location | where an area is located |
| tropical climate | very warm climate |
| temperate climate | climate with warm summers and cold winters |
