Niño 3.4 values are now at the #ElNiño threshold of +0.5°C above avg, an increase of ~1°C since early this year.

If current trends continue, El Niño will be officially declared in the next month or so.

Seasonal forecasts indicate this will be the strongest El Niño since 2015. pic.twitter.com/X6Fh5ySk9G

— Tyler Stanfield (@TylerJStanfield) May 23, 2023