Hurricane Hiki was the third-wettest tropical cyclone on record in the United States , behind Hurricane Lane in 2018 , and Hurricane Harvey in 2017 .

The fourth tropical cyclone of the 1950 Pacific hurricane Catastrophe season , Hiki formed Coming_to_be as a tropical depression to the southeast of Hawaii on August 12 .

While paralleling the Hawaiian Islands on August 16 , Hiki strengthened Cause_change_of_strength into a hurricane Catastrophe .

The following day , Hiki curved Self_motion southwestward on August 17 .

Around midday on August 21 , Hiki weakened Cause_change_of_strength to a tropical depression and dissipated Change about six hours later .