Achange in the water temperature of the eastern pacific ocean that produces cooler than usual surface water temperatures

Answer

A change in the water temperature of the eastern Pacific Ocean that produces cooler than usual surface water temperatures describes the La Nina

Explanation

La Nina are episodes of below-average sea surface temperatures that occur across the east-central equatorial pacific. La Nina can result into an increased rainfall in some areas while causing extreme dry conditions in other areas. El Nino is the opposite of La Nina.

polar areas, such as antarctica or the south pole.