g104_class15_hurricanes

g104_class15_hurricanes - Geography 104 -...

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Tropical Cyclones - genesis depends on ocean conditions - huge removal of heat energy from ocean - damage primarily from storm surge caused by strong winds Geography 104 - “Physical Geography of the World’s Oceans”
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High and Low Pressure Systems
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warm and cold fronts general east-west movement following jet stream cold front usually more intense
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largest most intense storm systems are not fronts, but huge rotating masses of low pressure known as tropical cyclones paths taken by hurricanes, cyclones, and typhoons (following trade winds in east to west direction)
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Source: Wikipedia
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hurricane Katrina (2005) “The energy in a single hurricane is greater than that generated by all energy sources in the United States over the last 20 years.” Essentials of Oceanography Textbook
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hurricane structure powered by the release of vast amounts of water’s latent heat (condensation) hurricane process: 1. low pressure system 2. moisture from ocean 3. warm moist air rises 4. heat from condensation 5. warm air rises further 6. surface pressure lowers 7. go to 2.
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g104_class15_hurricanes - Geography 104 -...

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