El Nino is back – and it could be ‘one for the history books’
The US weather agency announced on Thursday that the El Niño phenomenon has arrived. Scientists anticipate this natural climate occurrence, which warms Pacific Ocean surface temperatures and alters global weather patterns, will intensify by year-end and could reach historic strength.

Briefing Summary
AI-generatedThe US weather agency announced on Thursday that the El Niño phenomenon has arrived. Scientists anticipate this natural climate occurrence, which warms Pacific Ocean surface temperatures and alters global weather patterns, will intensify by year-end and could reach historic strength. El Niño is expected to worsen existing global warming caused by fossil fuels and amplify extreme weather events. This pattern is associated with droughts, floods, and elevated temperatures worldwide.
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Model · rule-basedKey claims
4 extractedEl Nino has arrived, according to the US weather agency.
El Nino is a natural climate occurrence that warms surface temperatures in the central and eastern equatorial Pacific Ocean.
Scientists fear El Nino will exacerbate the heat of a planet already warming from burning fossil fuels, while amping up weather extremes.
Scientists expect El Nino to intensify into the end of the year, potentially to historic strength.