Alert Reader says:
Five Cat 1 to Cat 3 between 1973 and 2001….highest Hurricane Gloria, 9/27/85 with 100 mph sustained….NYC design load is 120 mph….typically wind load doubles static load, if there was no wind on 9/11 then this force resistance was available to resist collapse….QED….
See Also:
9/11 Memorandums for the President
