#El_Nino  (oceanography) a weak warm ocean current that flows south off the coast of Ecuador at Christmas time
  supertype:  ocean_current__oceancurrent  the steady flow of surface ocean water in a prevailing direction
  subtype:  El_Nino_southern_oscillation  a more intense El Nino that occurs every few years when the welling up of cold nutrient-rich water does not occur; kills plankton and fish and affects weather patterns

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