Most of us who live in wind or hurricane prone parts of the country know that there are 5 categories for the strength of a hurricane. What a lot of us don’t know is what the wind speeds for each category is. Below you’ll find the wind speeds associated with each category as well as a brief description of conditions that occur in each category. This is known as the Saffir-Simpson Scale and assigns the 5 categories based on both wind speed and damage potential.

Tropical Storm – 39 – 74 mph.

Category 1 – Winds of 74 – 95 mph.

Storm Surge 4-5 feet above normal. Damage to signs, unanchored homes, shrubbery and trees. Minor coastal flooding.

Category 2 – Winds of 96 – 110 mph.

Storm surge 6 – 8 feet above normal. Some trees blow down. Damage to some doors, windows, and roofs. Flooding to piers. Considerable damage to mobile homes

Category 3 – Winds of 111 – 130 mph.

Some structural damage to residences and utility buildings. Mobile homes destroyed. Flooding near coast destroys small structures. Flooding may come well inland

Category 4 – Winds of 131 – 155 mph.

Some complete roof structure and curtainwall failure. Major beach area erosion. Inland flooding.

Category 5 – Winds of 156 and up.

Major damage to many structures. Buildings and roofs blown away. Major and severe flooding events. Massive evacuations of residences could be required.

References: www.nhc.noaa.gov/HAW2/english/basics/saffir_simpson.shtml

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Tags: hurricane, hurricane categories, hurricane damage, Hurricane Preparedness

This entry was posted on Monday, February 8th, 2010 at 8:38 am and is filed under Hurricane Preparedness. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.