El Niño-Southern Oscillation (ENSO)


While El Niño and La Niña events can drive disaster risk, understanding these phenomena can help inform early warning and boost preparedness efforts.

Temperatures in almost all parts of the world will likely rise between now and April despite the cooling influence of the latest La Niña weather phenomenon.
United Nations News Centre

This second edition of Ready for the Dry Years reveals that the severity of two drought events during 2015-2016 and 2018-2020 exceeds anything recorded in the past two decades, since the major El Niño of 1997-1998. Evidence presented in the Report shows

Association of South East Asian Nations United Nations Economic and Social Commission for Asia and the Pacific
Ste Everington/Shutterstock
A new statistical model predicts the number of tropical cyclones up to four months before the start of the tropical cyclone season from November to April in Australia.
Conversation Media Group, the

This study analyses the outcome of acting early on the island of Mindanao in the Philippines between 2018 and 2019, ahead of an El Niño‑induced drought. It evaluates the effectiveness of anticipatory actions and highlights families’ perspectives on the

Food and Agriculture Organization of the United Nations - Headquarters

In this study, the authors compared several climate model simulations and found that El Niño appeared in the year following a volcanic eruption in most models, with a significant drop in precipitation around the global monsoon region. In particular, the

Science Advances

This research reviews NOAA’s Oceanic Niño Index (ONI), which is used to record for historical purposes the occurrence and duration of El Niño episodes, based on the monitoring of sea surface temperatures (SSTs) in the central Pacific’s Niño 3.4 region.

International Journal of Disaster Risk Science