Observed Increase in Tropical Pacific Ocean Surface Cold-Warm Contrast Is Well Outside Model-Simulated Range.

Isabela Conde, University of New South Wales, Sydney, NSW, Australia, Jan D Zika, University of New South Wales, School of Mathematics and Statistics, Sydney, NSW, Australia, Ryan Holmes, Bureau of Meteorology, Sydney, Australia and Nandini Ramesh, CSIRO, Data61 Natural Systems Modelling Group, Sydney, NSW, Australia