The eastern Pacific Ocean has spawned a new tropical storm, Dalila, which will swipe southern Mexico with flooding downpours and gusty winds.

Wutip was a tropical storm in the Gulf of Tonkin Friday evening China Standard Time, the Joint Typhoon Warning Center said in its latest advisory. The tropical storm had sustained wind speeds of 69 miles per hour.

A typhoon changed its path and landed in southern China's Hainan island at a severe tropical storm level. Its maximum sustained winds is 30 meters (98 feet) per second.

Barbara is expected to continue diminishing through Tuesday. Tropical Storm Cosme is expected to weaken through Thursday morning. Both storms are being tracked through the eastern Pacific Ocean, off the coast of southwestern Mexico, according to the NHC.

A tropical storm is a tropical cyclone that has maximum sustained winds of between 39 and 73 mph – a step above a tropical depression.

Hurricane Barbara and Tropical Storm Cosme mark the second and third named storms of the Eastern Pacific hurricane season.

Tennessee agriculture officials toured storm-damaged areas, assessing recovery needs after Tropical Storm Helene.

Severe Tropical Storm Wutip entered within 800km of Hong Kong, but is expected to make landfall later on Saturday, forecaster says.