CNN CNN Newsroom November 11, 2013 18:14:00
Already just sitting there. we've used this number a lot about 2 2/3, 3 times stronger than katrina. here's how the numbers stack up. super typhoon haiyan, estimated wind gusts of 235, that would put -- if you had up with square foot of plywood, that it's 140 pounds per square foot. that's how much wind pressure is putting on that one square foot of building. now, the building's obviously bigger than one square foot. down to 120, that's only 36 pounds per square foot. it's exponential. you multiply the wind velocity by itself. you square it. that's why this exponential speed from 120 to 140 is...
Source: archive.org