<p>Weather events like El Ni&ntilde;o can be notoriously hard to predict, but this year could mark its return</p>
El Niño is a climate phenomenon characterized by the periodic warming of sea surface temperatures in the central and eastern Pacific Ocean. This warming can disrupt normal weather patterns, leading to significant impacts on global climate, including increased rainfall in some regions and droughts in others.
La Niña is a climate pattern characterized by cooler-than-average sea surface temperatures in the central and eastern Pacific Ocean. It typically leads to increased rainfall in some regions, such as the western coasts of the Americas, while causing droughts in others, impacting global weather patterns.