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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 isn’t 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
- Tropical cyclone, Saffir-Simpson Hurricane Scale, storm surge flood