Although the core postings appear, this search was so frequent today we thought to present the top three hits and a comment. First, the map of levees is the best way to identify the existing known flood risks. Everything has been predicated on both “average” flooding, and on no internal attacks against flood control infrastructure. Second, flooding has to be considered in terms of after-effects, including melt-downs of nuclear reactors, flood dissemination of nuclear and bio-chemical and radiological waste, flood impact on corroded chlorine containers, and so on. The USA is not ready. Government at every level has been terribly irresponsible for decades.