Definition: El Nino-Southern Oscillation or ENSO is a cycle of extreme alternating warm El Ni+¦o and cold La Nina events which is the dominant year-to-year climate pattern on Earth. Both terms refer to large-scale changes in sea-surface temperature across the eastern tropical Pacific. ENSO is associated with a heightened risk of certain vector-borne diseases. (From http://www.elnino.noaa.gov/lanina_new_faq.html, accessed 5/12/2020)
Other names Nina, La; La Nina; El Nino; Oscillations, El Nino-Southern; Oscillation, El Nino-Southern; Nino-Southern Oscillations, El; Nino, El; El Nino-Southern Oscillations; El Nino Southern Oscillation
