El Niño and La Niña

El Niño and La Niña are opposite phases of a naturally occurring global climate cycle known as the ‘El Niño-Southern Oscillation' (ENSO). They disrupt normal patterns of wind and rainfall, in different ways, in many parts of the world — including New Zealand.

Why shifting to an El Niño Oscillation can cause us to experience a more active winter season

Explainer: What Are El Niño and La Niña?

El Nino, La Nina and how they trigger weather chaos

El Niño and La Niña - Southern Boating

Local and Global Effects of El Niño and La Niña

An atlas of seasonal correlations between El Niño and La Niña and temperature and precipitation – Erik Kolstad

What are El Niño and La Niña, and how do they change the weather?

Insider Blog: El Niño Has Arrived And Is Here To Stay - KESQ

The Rise of El Niño and La Niña

El Niño and La Niña: What's the Difference? The National Environmental Education Foundation (NEEF)

What is El Nino and La Nina? How are they formed? Explanation and diagrams.

El Niño & La Niña, Explained