The Right Approaches to Climate Model Downscaling

Data from this global downscaling initiative can help compare local and regional climate trends, but it is not suitable for robust physical risk analysis

The worldwide scientific community has identified an urgent need for regional and national climate model downscaling, in both developed and developing countries. The COordinated Regional Downscaling EXperiment—CORDEX—is an effort by the World Climate Research Programme to catalyze the widespread research and development of regional climate downscaling techniques.

But CORDEX was never meant to provide a consistent view that can inform global financial or policy decision-making, and CORDEX-based data currently can’t compare to more advanced, scalable, and globally consistent approaches to downscaled climate risk data.

This Jupiter Intelligence technology brief provides leaders with an assessment of the strengths and weaknesses of the CORDEX framework.

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