El Niño is a periodic warming of sea surface temperatures in the eastern Pacific Ocean.
It occurs naturally every two to seven years and usually lasts up to twelve months.
The current event is unusually strong and may persist for several more years.
Potential impacts include increased rainfall leading to floods, and dry conditions causing droughts.
The United Nations and partner organizations are coordinating climate information to support disaster management and sectors such as farming, health, energy, and water.
A strong El Niño can alter global rainfall and temperature, increasing the risk of storms and droughts.
Scientists warn that the prolonged warming may affect agriculture, water resources, and health.
International agencies are improving early‑warning systems and disaster preparedness.
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