El Niño Southern Oscillations ocean-atmosphere event.
El Niño and La Niña are used as general names for large fluctuations in the temperature of the surface waters of the Eastern Pacific Ocean and the atmospheric phenomena caused by them. 
El Niño Southern Oscillations ocean-atmosphere event.
El Niño and La Niña are used as general names for large fluctuations in the temperature of the surface waters of the Eastern Pacific Ocean and the atmospheric phenomena caused by them.