1. Laboratoire de Météorologie Dynamique; Ecole Normale Supérieure; Paris France
2. IPSL; Université Pierre et Marie Curie; Paris France
3. Met Office; Exeter UK
4. ISAC-CNR; Rome Italy
5. Max-Planck-Institut fur Meteorologie; Hamburg Germany
6. CCCMA; University of Victoria; Victoria British Columbia Canada
7. Japan Agency for Marine-Earth Science and Technology; Yokohama Japan
8. Climate Research Department; Meteorological Research Institute; Tsukuba Japan