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Unformatted text preview: Low pressure around the eye High pressure outside of the eye- minimum wind speed is 74 mph- move with the trade winds (about 25 mph) how to measure the size?- Saffir-Simpson Hurricane Scale - between 1 and 5 - based on sustained wind (atm pressure) - storm surge (flood level as water comes in) - biggest in SS scale isnt always most damaging Hazards 1) storm surge - lower atm pressure associated with storm - less downward push on the water - high winds that push water into a mound or bulge - crest moves ahead of the storm, but travels at the same speed as the storm - 90% of deaths in a hurricane are from storm surge flooding 2) wave damage 3) wind damage - does the most damage to buildings and structures 4) rainfall causes flooding inland...
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- Spring '08