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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 |