Led by Pier Siebesma (KNMI, Netherlands) & Dargan Frierson (Washington Univ., USA)

Aim: Tackle the parameterization problem through a better understanding the interaction between cloud / convective processes and circulation systems.
Focus: Lessons from observations and cloud-resolving modelling over large domains; Interaction between diabatic heating and large-scale dynamics.

initiative2

Related meetings:

13-17 October 2014: The Climate Symposium 2014 - Darmstadt, Germany
A session on Clouds, Circulation and Climate Sensitivity" will be held on October 14th, 2014 during which the observational needs of the Clouds, Circulation and Climate Sensitivity Grand Challenge will be discussed.

24-28 March 2014: WCRP Grand Challenge Workshop: Clouds, Circulation and Climate Sensitivity, Rottach-Egern, Germany

2-4 October 2013: 17th Session of the WGCM, Victoria CANADA
Focus: All initiatives: "GC progress, prospect and overall coordination - link to CMIP"

24 June-5 July 2013: International Summer School on Clouds and Climate, Les Houches, FRANCE
Focus: All initiatives: "Clouds and Climate"

22-25 April 2013: 30th Anniversary of the International Satellite Cloud Climatology Project (ISCCP), New York, USA.
Focus: "How can observations, in combination with theory and modeling, help improve our understanding of the coupling between clouds and circulation?"

Clouds, Circulation and Climate Sensitivity