📈 El Niño development continues as the daily Niño 3.4 Index (central equatorial Pacific) has reached +0.6˚C for the first time this year.

At this time in 1997, it was +0.30˚C & +0.22˚C in 1982.

Winds during late May & early June look favorable toward additional warming... pic.twitter.com/tnCQbL4B6P

— Ben Noll (@BenNollWeather) May 16, 2023