Tropical Depression 16W formed 205 nautical miles (375 km) east-southeast of Dong Tac Airport, Vietnam on the morning of September 16. It reached Tropical Storm strength overnight local time and was named Vicente, a Chamorro male name. Shortly after forming, Vicente interacted with a tropical disturbance west of Luzon and made a cyclonic loop. Vicente then absorbed the disturbance before passing just south of Hainan Island. Eventually, Vicente tracked into the Vietnam coast northwest of Huế on September 18 and gradually dissipated.