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Midlatitude Cyclones. Extratropical cyclone or wave cycloneLow pressure area with cyclonic (counter-clockwise) circulation.Atmosphere collects water by evaporation and returns it as precipitationMajor weather machine for mid-latitudesCounter-part in tropics is hurricane. Mid-latitude Cyclone C
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1. Mid-latitude Wave Cyclones
2. Midlatitude Cyclones Extratropical cyclone or wave cyclone
Low pressure area with cyclonic (counter-clockwise) circulation.
Atmosphere collects water by evaporation and returns it as precipitation
Major weather machine for mid-latitudes
Counter-part in tropics is hurricane
3. Mid-latitude Cyclone Characteristics Motion: these storms move across the midlatitudes at about 30 m.p.h. from west to east as they rotate around a low pressure center.
Size: roughly 1,000 miles in diameter, the largest of storms
Lifespan: 3-6 days to develop, 3-6 to dissipate
Pressure: center roughly 990-1000 mb
4. The Midlatitude Cyclone