Ivo was a tropical storm in the North Pacific Ocean Thursday afternoon Eastern time, the National Hurricane Center said in its latest advisory. Ivo is the ninth named storm to form in the Eastern Pacific in 2025.

Experts are monitoring a disturbance off the U.S. Southeast coast that has a low chance of forming within the next week.

Tropical Storm Dexter formed Sunday night over the western Atlantic, far off the coast of North Carolina, according to forecasters who expect it to move away from the U.S. coast. The tropics are heating up and forecasters are keeping watch on a developing tropical wave in the far eastern Atlantic Ocean.