1. Lamont‐Doherty Earth Observatory Columbia University Palisades NY USA
2. Department of Applied Physics and Applied Mathematics Columbia University New York NY USA
3. Program in Atmospheres, Oceans and Climate Massachusetts Institute of Technology Cambridge MA USA
4. NOAA/NWS/NCEP Climate Prediction Center College Park MD USA
5. Verato Inc. McLean VA USA
6. NOAA Geophysical Fluid Dynamics Laboratory Princeton NJ USA
7. Met Office, Hadley Centre Exeter UK
8. Istituto Nazionale di Geofisica e Vulcanologia Bologna Italy
9. Centro Euro‐Mediterraneo sui Cambiamenti Climatici Bologna Italy
10. NCAS‐Climate University of Reading Reading UK
11. Lawrence Berkeley National Laboratory Berkeley CA USA