| A | B |
|---|
| relative humidity | a measurement of how full of water the air is |
| pyschrometer | device used to measure relative humidity and dewpoint |
| dewpoint | the air temperature at which the water in the air with condense into a water droplet |
| cirrus clouds | high feathery clouds; indicate that rain is on the way |
| stratus clouds | low level clouds usually associated with steady, all day rain periods |
| cumulus clouds | tall thick, puffy clouds; usually associated with stormy weather |
| nimbus clouds | any type of rain cloud |
| cold front | a cold air mass replacing a warmer air mass |
| warm front | a warm air mass replacing a cooler air mass |
| occluded front | a cold air mass traps a warm air mass up above a cool air mass |
| stationary front | a slow moving front, usually bringing days of precipitation |
| cyclone | area of low pressure |
| anticyclone | area of high pressure |
| hurricane | largest storm on Earth |
| storm surge | flooding associated with Hurricanes |
| maritime polar air mass | moist, cool air |
| maritime tropical air mass | moist, warm air |
| continental polar air mass | dry, cool air |
| continental tropical air mass | dry, warm air |
| Prevailing Westerlies | the wind belt responsible for most of the United States weather |
