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Ch.17 and 18 vocab

air mass A huge body of air that has similar temperature, humidity, and air pressure throughout
tropical warm, air masses form in the tropics and have low air pressure
polar cold, air masses form north of 50° north latitude and south of 50° south latitude
maritime air masses form over oceans
continental air masses form over land, in the middle of continents, and are dry
occluded cut off, warm air mass at an occluded front is cut off from the ground beneath it
front area where air masses meet and do not mix
cyclones swirling center of low air pressure
anticyclones high-pressure center of dry air
storm violent disturbance in the atmosphere
lightning sudden spark,or energy discharge
tornado rapidly whirling, funnel shaped
Created by: lwheeler