|
 Air pressure | measure of the force of air molecules pushing down |
| Millibars | units used to measure barometric pressure |
| Coriolis effect | rotation of the Earth causes objects to move in a curved path |
| Radiation | movement of heat through empty space in the form of electromagnetic waves |
| Air mass | large body of air that takes on the properties of the area over which it forms |
| Anemometer | instrument used to measure air speed |
| Barometer | instrument used to measure air pressure |
| Barometric pressure | air pressure |
| Cold front | air mass that has cold, dry air |
| Front | boundary separating air masses |
| Humidity | amount of moisture in the air |
| Occluded front | when a warm front catches up to a cold front |
| Precipitation | rain, snow, sleet, hail |
| Rain gauge | instrument used to measure precipitation |
| Relative humidity | ratio of the amount of water vapor present to the amount that can be held |
| Sling psychrometer | instrument used to measure humidity |
| Station model | diagram that shows the current weather conditions for a location |
| Stationary front | air mass that is not moving |
| Temperature | average kinetic energy |
| Warm front | air mass that consists of warm moist air |
| Weather | current atmospheric conditions |
