1. Canadian Centre for Climate Modelling and Analysis Environment and Climate Change Canada Victoria Canada
2. Centre for Space, Atmospheric and Oceanic Science University of Bath Bath UK
3. Met Office Hadley Centre Exeter UK
4. NASA Goddard Space Flight Center Greenbelt MD USA
5. SSAI Greenbelt MD USA
6. National Centre for Atmospheric Science Oxford UK
7. Department of Physics University of Oxford Oxford UK