In Ensemble Forecasting we had a look at the principles behind “ensembles of initial conditions” and “ensembles of parameters” in forecasting weather. Climate models are a little different from weather forecasting models but use the same physics and the same framework. A lot of people, including me, have questions about “tuning” climate models. While looking for what the latest IPCC report (AR5) had … Continue reading Models, On – and Off – the Catwalk – Part Four – Tuning & the Magic Behind the Scenes