The NASA climate model developed by James Hansen has been atrocious at predicting global warming over the last 15 years and the evidence mounts it is even worse at predicting ocean heat content
Read here. The oceans represent some 70% of the globe's surface and is a giant reservoir of energy, with an immense effect on the climate. Being able to accurately predict the heat content is absolutely essential if climate models are ever to be trusted.
As the adjacent chart by expert Bob Tisdale reveals, the NASA climate model prediction for ocean heat content (OHC) is robustly higher than actual measurements of OHC since 2003. The model doesn't work as advertised, like most climate models' predictions.
"The reality is, the flattening of the Global OHC anomaly data was not anticipated by those who created the models. This of course raises many questions, one of which is, if the models did not predict the flattening of the OHC data in recent years, much of which is based on the drop in North Atlantic OHC, did the models hindcast the rise properly from 1955 to 2003? Apparently not."
The NASA model was developed by Hansen. He had it programmed to predict a rapid increase in OHC based on the questionable CO2-based AGW hypothesis. Because of a major weakness in the AGW hypothesis (the never realized positive feedback loops) NASA's model is unable to predict OHC correctly, let alone the world's climate.
Additional climate-model postings.