HurricanesKatrinaandRitaresultedinthelargestnumberofplatformsdestroyedanddamagedinthehistoryofGulfofMexicooperations.Withthetrendofglobalwarming,sealevelrisingandthefrequencyandintensityoftyphoonincrease.Howtodetermineareasonabledeckelevationagainstthelargesthurricanewaveshasbecomeakeyissueinoffshoreplatformsdesignandconstructionfortheunificationofeconomyandsafety.Inthispaper,themultivariatecompoundextremevaluedistribution(MCEVD)modelisusedtopredictthedeckelevationwithdifferentcombinationoftide,surgeheight,andcrestheight.ComparedwithpracticerecommendedbyAmericanPetroleumInstitute(API),thepredictionbyMCEVDhasprobabilisticmeaninganduniversality.
