Is East Sea storm getting stronger and stronger? The study used three sets of data Unisys Weather, JTWC and RSMC to conduct storm grouping and calculate storm statistics, number of storm days for different periods and compare, evaluate to be able to answer. ask on. The result of the calculation showed that all three data sets for the purpose of the paper have many similarities. With the classification of storms by wind level into 3 groups: normal storms, strong storms and very strong storms showed that there is a clear signal of storms in the East Sea.