Worst case scenario was allready made - they new about this kind of catastrophe for some time.

http://americanradioworks.publicradio.org/features/wetlands/hurricane1.html




>>>New Orleans obviously needs help way beyond anything that's ever been needed before after a hurricane in the U.S.
>>
>>I think if New Orleans was a normal large town, small city that it would just be abandoned, but because of its special status as a cultural place, it will eventually be rebuilt.
>>
>>Take a look at this hurricane from 1900, it also list an even bigger one that happening during the American Revolution.
>>http://en.wikipedia.org/wiki/Galveston_Hurricane
>
>I didn't read the reference.
>But times surely are way different now. There is a depenence on both electricity and automobiles/busses, neither of which applied in those.
>There is dependence on running water and sewage systems, which Galveston may have had some of but nothing like today.
>People back then were largely self-sufficient whereas today virtually no one is.
>Finally, just the sizes of the populations involved make this one hugely different.
>I can't see any legitimacy in comparing either of the ones you cite, save possibly for counts of killed.