Hurricane Irene (satellite image pictured) moved into the Pacific Ocean from the Atlantic, making it the first actively tracked tropical cyclone to do so.

Hurricane Irene–Olivia

Category 3 Atlantic and Pacific hurricane in 1971

Hurricane Irene–Olivia was the first actively tracked tropical cyclone to move into the eastern Pacific Ocean from the Atlantic basin. It originated as a tropical depression on September 11, 1971, in the tropical Atlantic. The cyclone tracked nearly due westward at a low…

List of Atlantic–Pacific crossover hurricanes

An Atlantic–Pacific crossover hurricane is a tropical cyclone that develops in the Atlantic Ocean and moves into the Pacific Ocean, or vice versa. Since reliable records began in 1851, a total of twenty-one crossover tropical cyclones have been recorded. As tropical cyclones…

Tropical cyclone

Rapidly rotating storm system

A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its location and strength, a tropical cyclone is…