Joint WGNE-WGCM session presentations Pan-WCRP Modelling Groups Meeting and the 6th Session of the WCRP Modelling Advisory Council UK Met Office, Exeter, United Kingdom, 9‑13 October 2017 Peter Glecker: WGNE/WGCM Metrics and Diagnostics Panel Veronika Eyring: Earth System Model Evaluation Tool (ESMValTool) Sandrine Bony, Bjorn Stevens, Mark Webb: The Grand Challenge on Clouds Circulation and Climate Sensitivity Ayrton Zadra: Report on the Drag Project