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Unformatted text preview: o Atmospheric low-pressure zone o Minimum distance from equator of + or – 5° • Room for storm to grow tall: o Absence of strong wind shear aloft Tropical cyclone formation regions: 30° North – 30° South Role of Coriolis Effect: Cyclonic circulation • Counter-clockwise in Northern hemisphere • Clockwise in Southern hemisphere Initiating a Hurricane • Wave or oscillation in airflow sends warm equatorial air into tropics. • Convergence and thermal effects warm, moist air rises, generating a cluster of small thunderstorms:...
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This note was uploaded on 04/16/2008 for the course GEOS 104 taught by Professor Cox during the Spring '08 term at Williams.
- Spring '08