Matching Pairs Storms Vocabulary Game WKMSOnline version Air masses, Fronts, and Storms Vocabulary - Matching terms with their definitions. by Susan Reynolds 1 front 2 stationary front 3 air mass 4 station model 5 warm front 6 tornado 7 hurricane 8 cold front 9 meteorologist 10 occluded front a front in which lighter, warmer air advances over heavier, colder air large body of air that has properties similar to the part of Earth's surface over which it develops a scientist who studies weather and weather patterns to predict weather conditions boundary between two air masses of different density, moisture, or temperature a front that involves 3 air masses of different temperatures (colder air, cool air, and warm air) Cold air forces warm air upward that closes off the warm air from the surface large low-pressure system with winds of at least 120 km/h (74 mph) combination of symbols that meteorologists record on a map showing weather conditions at a specific location a front in which colder air pushes warm air up violently rotating column of air in contact with the ground a boundary between air masses stops advancing