Historical Catagories

Esteban Kelcourse-Oquendo 9/29/08
Hershey

Hurricanes—The categories

Hurricanes.

We all hate them. Yes, we do. Unfortunately, they happen all the time in life so we have to deal with it.

Hurricanes are natural. They happen normally over middle-eastern Africa as tropical depressions. Then as they go oversea, the warm water strengthens the storm, giving it more power. If it is a slow moving storm, it has more time to strengthen before it makes landfall, therefore, the destruction is larger, like hurricane Katrina. It has a lot of time to move over the ocean and had more energy to release.

Now, if it is a fast moving storm, it has less time to strengthen, so it will probably get to a low level 2 hurricane, like hurricane Irene or hurricane Bonnie.

To get a clearer idea of hurricanes, here are the categories to identify them.

Category 1 Hurricane:
(Irene 1999)
(Winds 74-95 mph)

Almost no damage to buildings. Damage to unanchored mobile homes. Some damage to badly constructed signs. Some coastal flooding and minimum pier damage.

Category 2 Hurricane:
(Bonnie 1998)
(Winds 96-110 mph)

A little bit of damage to building roofs, doors and windows. Some damage to mobile homes. Flooding damages piers and some trees blown down.

Category 3 Hurricane:
(Keith 2000)
(Winds 111-130 mph)

A bit of structural damage to small residences ad utility buildings. Larger trees blown down. Mobile homes and badly built signs destroyed. Some terrain may be flooded inland.

Category 4 Hurricane:
(Hugo 1989)
(Winds 131-155 mph)

More extensive constructional failures with a lot of complete roof structure failure on small residences. Huge erosion on most beaches. Terrain may be flooded well inland.

Category 5 Hurricane:
(Andrew 1992)
(156 mph and up)

Total roof failure on many residences and industrial buildings. A few complete building failures. Small buildings blown over or away. Huge damage from flooding to lower floors or buildings. Massive evacuation of areas may be required.

I hope this helped you guys. Ciao!

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