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ch 3
ch3
| Term | Definition |
|---|---|
| A huge body of air that has similar temperature, pressure, and humidity throughout. | Air mass |
| A warm air mass that forms in the tropics and has low air pressure. | tropical air mass |
| A cold air mass that forms north of 50° north latitude or south of 50° south latitude and has high air pressure | polar air mass |
| A humid air mass that forms over oceans. | maratime air mass |
| A dry air mass that forms over land. | continental air mass |
| The area where air masses meet and do not mix. | front |
| Cut off, as the warm air mass at an occluded front is cut off from the ground by cooler air beneath it. | Ocluded |
| Cyclone | A swirling center of low air pressure. |
| anticyclone | A high-pressure center of dry air. |
| A violent disturbance in the atmosphere. | storm |
| A sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud or between a cloud and the ground. | lightning |
| A rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth’s surface, usually leaving a destructive path. | Tornado |
| to move away temporarly | evacuate |
| A tropical storm that has winds of 119 kilometers per hour or higher; typically about 600 kilometers across. | hurricane |
| A dome of water that sweeps across the coast where a hurricane lands. | storm surge |
Created by:
Carter O-L
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