Keyword: "Relative Oceanic Niño Index"

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As El Niño strengthens, the risks of heatwaves, drought and reduced rainfall increase. (Illustrative image: VNA)

Malaysia warns of over 90% chance of “super El Niño” in late 2026

MetMalaysia director-general Hisham Anip said the forecast was based on a significant upward trend in the Relative Oceanic Niño Index (RONI) since the middle of the year, coupled with recent weekly observations showing sea surface temperatures more than 1.8 degrees Celsius above the climatological average.