The National Hurricane Center 's director , Max Mayfield , mentioned that the Mississippi\/Louisiana area has `` the greatest potential for nightmare scenarios , '' and that this has been known for at least the three decades he has worked at the NHC . The National Hurricane Center 's director , Max Mayfield , indicated that the Mississippi\/Louisiana area has `` the greatest potential for nightmare scenarios , '' and that this has been known for at least the three decades he has worked at the NHC .