Zeke Hausfather - Its now official: 2023 was the warmest year on record in the JRA-55 dataset, at 1.43C above preindustrial levels.
It beat the prior record set in 2016 by 0.14C, and continues a rapid warming trend thats seen global temperatures rise around 1C since 1970. https://twitter.com/hausfath/status/1742296413344850282