Lect 17 - HURRICANES * an intense tropical cyclonic storm...

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HURRICANES ** an intense tropical cyclonic storm consisting of a warm-core low pressure cell at its center, inward-spiraling rain bands, and having sustained winds in excess of 119 kph (74 mph) * called by different names in different parts of the world hurricane: Atlantic Ocean & Eastern Pacific Ocean typhoon: Western Pacific Ocean cyclone: Indian Ocean * due to the necessary requirements for formation, they begin life only in tropical waters , but may move to higher latitudes; very rarely ever found in the Southern Atlantic Characteristics: * cyclonic storm with warm core low pressure at its center * diameter of 160 - 960 km (100-600 mi) & average about 600 km (360 mi) * form over warm ocean waters * storm pressure gradient to generate strong winds; stronger near the center, in the eye wall , and decrease outward * may have tornadoes within it; heavy rain, lightning * has an average life span of from 8-10 days, but may last over 2 weeks
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This note was uploaded on 10/07/2011 for the course GEOG 1111 taught by Professor Hopkins during the Fall '08 term at University of Georgia Athens.

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Lect 17 - HURRICANES * an intense tropical cyclonic storm...

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