 On July 16 , an area of low pressure associated with a tropical wave organized into Tropical Depression Five @-@ E. It strengthened into Tropical Storm Emilia later that day . It moved west @-@ northwest and strengthened into a hurricane . It entered the central Pacific on July 17 . It continued intensifying , reaching Category 5 intensity on July 19 , the first Category 5 Pacific hurricane since Ava . Emilia started weakening quickly on July 21 . It weakened to a tropical storm on July 23 and dissipated two days later . 
