La Niña is a climate event with cooler Pacific Ocean temperatures, impacting global weather.

La Niña strengthens trade winds, moving warm water west and raising cold water.

Increased rainfall in eastern Australia and Indonesia.

Drier conditions in the southern United States and parts of South America.

Cooler-than-average temperatures in the central and eastern Pacific Ocean.

Stronger trade winds across the equatorial Pacific Ocean.

La Niña impacts marine ecosystems, boosting productivity in some areas and reducing it in others.