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Fronts and Mid-latitude Cyclones Chapter 9. Meteorology 1010 Professor Bunds Utah Valley University. Fronts. A front is a boundary between two air masses (of different densities) 2 main types, named based on which air mass is moving into the other:
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Fronts and Mid-latitude Cyclones Chapter 9 Meteorology 1010 Professor Bunds Utah Valley University
Fronts • A front is a boundary between two air masses (of different densities) • 2 main types, named based on which air mass is moving into the other: • Warm front; warm air pushes into and over colder air • Cold front; cold air pushes into and under warmer air
Warm Front Gently sloped boundary; gentle, long-lasting precip
Cold Front Steeply sloped boundary; intense, short-lived precip. (thunderstorms common)
Occluded Fronts More common
Conditions Aloft Surface Conditions