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Catastrophic Events
4-5
| Term | Definition |
|---|---|
| Maritime Tropical Air Mass | air mass that is over oceans,temperature is warm,and humidity is moist |
| Continental Tropical Air Mass | air mass that is over land,temperature is warm,and humidity is dry |
| Continental Polar Air Mass | air mass that is over land,temperature is cold,and humidity is dry |
| Maritime Polar Air Mass | air mass that is over water,temperature is cold,and humidity is moist |
| weather | the atmosphere at a certain time and place |
| climate | the atmosphere over a long period of time |
| cold front | forms when cold air moves underneath warm air, forcing the warm air to rise |
| warm front | forms when warm air moves over cold air |
| stationary front | forms when cold and warm air masses meet but neither one has enough force to move the other |
| occluded front | forms when a warm air mass is caught between two cooler air masses |
| air mass | a huge body of air that has similar temperature ,humidity,and air pressure at any given height |
| fronts | the boundary where air masses meet becomes |
| cyclone | a swirling center of low air pressure "also called a low" |
| anti_cyclone | high-pressure centers of dry air |