Enso
weather:system:ensoEl Niño-Southern Oscillation; coupled ocean-atmosphere phenomenon in the tropical Pacific; alternates between El Niño (warm phase) and La Niña (cool phase) on 2–7 yr cycles
El Niño-Southern Oscillation; coupled ocean-atmosphere phenomenon in the tropical Pacific; alternates between El Niño (warm phase) and La Niña (cool phase) on 2–7 yr cycles