Why did the Saffir-Simpson scale underestimate the storm surge of Hurricane Katrina?

Josh

New member
According to the Saffir-Simpson scale a Category 3 hurricane has a storm surge generally 9-12 ft above normal. However, in actuality, Hurricane Katrina had a maximum storm surge peak of 27.8 ft at Pass Christian. With the data indicating it's storm surge was between 24-28 ft. Yet it was only a Category 3....
 
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