From Fortune magazine, see this article titled Top Ten FEMA-Funded Disasters

This is not an easy article to follow, but what jumped out at me from viewing the chart in the middle of the article was how much federal funding has gone to the state of LA.
Clearly, some major efforts to mitigate the hazards and threats in that state are needed, not only to  to reduce human suffering and property loss, but to reduce the huge federal outlay.