The world must prepare for a surge in weather extremes and heat waves as a potentially exceptional El Niño emerges, the United Nations’ World Meteorological Organization has warned.
The WMO said on Tuesday that there’s an 80 percent chance of an El Niño — the warm phase of a natural climate cycle in the Pacific Ocean — developing between June and August, and a 90 percent chance the event will arrive by November.
El Niño’s return heralds a temporary upsurge in global temperatures on top of the warming effect of human-caused climate change.
The event also disrupts rainfall patterns around the world, usually producing intense downpours and floods in some regions while bringing drought to others.
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