From Prof. Eliot Jacobson:
Wow! Wow! Wow!
North Atlantic sea surface temperature anomalies are going vertical again. And yes, I needed to extend the y-axis.
Yesterday’s temperature of 24.49°C (76.08°F) was 4.2σ above the 1991-2020 mean. The previous high for July 17 was 23.71°C (74.68°F) in 2020.
https://twitter.com/EliotJacobson/status/1681321023306874880
This is also related to the change in fuels for ships. They banned something that emits aerosols which has reduced the masking effect. And this started prior to El Niño starting. It’s likely a combination of the above and some other tipping point shenanigans