Sea surface temperatures in the eastern equatorial Pacific near Peru & Ecuador are 4-5˚C above average!
— Ben Noll (@BenNollWeather) March 28, 2023
This is the most unusually warm condition since the El Niño costero of 2017.
Widespread marine heatwave conditions (stippled) will cause impacts across western South America. pic.twitter.com/wXC2H5EtFj