The WMO has announced that there is a high probability of an El Niño event in early 2019. Although the event has not been forecasted to be as strong as the 2016 event, El Niño is known to have a major impact on temperatures and rainfall across the globe.
The El Niño Southern Oscillation (ENSO) is a large-scale climatic phenomenon that originates in the tropical Pacific but affects global climate patterns. The warm phase is known as El Niño and the cold phase is La Niña. El Niño occurs irregularly every two to seven years and peaks around in winter.