Thursday, September 4, 2008

Hurricane levels.

Hurricanes can reach categorys up to 5 levels.

Category one hurricanes do not generally cause damage to buildings only to property and shrubs. Flooding in coastal areas is common. Hurricane Guston in 2004 was a category one hurricane.

Category two hurricanes cause roof, door and window damages. Coastal and low lying escapes flood hours before the hurricane arrives. Hurricane Frances was a category two hurricane.

Category three hurricanes cause trees and shrubbery to blow over and complete destruction of mobile homes and roof structures. There is also damage to small residences. Flooding on the coast destroys property and roads. Terrain lower than sea level can flood inland up to 8 miles. Hurricanes Jeanne and Ivan of 2004 were category three hurricanes.

Category four hurricanes cause complete roof and curtain wall failures. Mobile homes are completely destroyed and sign posts are blown away. Because of flooding on terrain 10 feet below sea level, massive evacuation is essential and flooding can occur up to 6 miles inland. Hurricane Dennis of 2005 struck the island of Cuba as a Category Four hurricane.

Category five hurricanes cause complete roof failure on residential and industrial buildings. Complete building failures and small utility building or blown away. All shrubbery, signs and trees are blown down. Windows and doors are severly damaged. Flooding can occur up to 3 hours before initial arrival of the hurricane. Damage to lower level floors on any terrain lower than 15 feet below sea level.Massive evacuation can occur up to 5-10 miles from the shoreline. Hurricane Wilma of 2005 was a Category Five hurricane and is the strongest Atlantic tropical cyclone on record with a minimum pressure of 882 mb.

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