This paper introduced our proposed unit-variant and multivariate compound extreme value distribution(CEVD and MCEVD)models.It is showed that all the planned,designed and constructed coastal infrastructures accepted the traditional safety regulations are menaced by possibility of future typhoon/hurricane disasters and cannot satisfy the safety requirements with the increasing tendency of the extreme natural hazards in the past 35 years.2005 hurricane Katrina,Rita and 2012 hurricane Sandy induced disasters pr...