What is the Saffir-Simpson hurricane wind scale?

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Rapidly intensifying hurricane expected to remain a category 4 storm until landfall along the Carolinas; Adam Klotz reports from the Fox Extreme Weather Center.

Hurricanes are categorized using what’s known as the Saffir-Simpson Hurricane Wind Scale.

Different types of damage may occur depending on each storm category. Read on to see what they signify.

For storms in this category, there’s going to be “some damage” from winds, the NHC advises. 

Large tree branches and shallow trees could be knocked down, according to the agency. Gutters, roofs, shingles and vinyl siding for what it calls “well-constructed frame homes” could be affected, too. 

“Extremely dangerous winds will cause extensive damage,” the NHC warns for such storms.

There may be power outages “that could last from several days to weeks.”

Category 3, Category 4 and Category 5 storms are all labeled “major” hurricanes.

With Category 3, there will be “devastating” damage, according to the NHC.

“Well-built framed homes may incur major damage or removal of roof decking and gable ends,” the agency warns. There also may be no water or electricity for days to weeks after the storm moves along.

“Well-built framed homes can sustain severe damage with loss of most of the roof structure and/or some exterior walls,” the NHC explains.  

For both Category 4 and Category 5 storms, “catastrophic” damage is forecast: they involve residential areas being cut off by trees and power poles that have come down, the agency says, and there may be months-long power outages. 

This is the highest rating for hurricanes on the scale.

“A high percentage of framed homes will be destroyed, with total roof failure and wall collapse,” according to the NHC.   

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September 12, 2018

Sources: Fox

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