Fronts and Mid-latitude CyclonesChapter 9
Meteorology 1010Professor 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 FrontGently sloped boundary; gentle, long-lasting
precip
Cold FrontSteeply sloped boundary; intense, short-lived
precip. (thunderstorms common)
Occluded FrontsMore common
Midlatitude Cyclone
Formation of an Occlusion
Life of a Midlatitiude
Cyclone
Weather of a Midlatitude Cyclone
Conditions Aloft
Surface Conditions
Storm of the Century