On August 12, a tropical wave formed in the Pacific Ocean.

These dates conventionally delimit the period during which most tropical cyclones form in the northeastern Pacific Ocean.

These names were used for storms that formed in the east Pacific Ocean this season.

When a new island is formed in the Pacific Ocean, the team investigates.

Tropical Depression 17W formed on August 10 in the open Pacific Ocean.

Tropical cyclones tend to form in the northwestern Pacific Ocean between May and November.

These dates conventionally delimit the period of time when tropical cyclones form in the east Pacific Ocean.

These dates limit the time period when most tropical cyclones form in the northeastern Pacific Ocean.

These names were used for storms forming in the eastern Pacific Ocean this year.

These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.