1. Max Planck Institute for MeteorologyKlimaCampus Hamburg Germany
2. Now at University of Leipzig, Institute for MeteorologyLeipzig Germany
3. German Climate Computing Center (DKRZ)KlimaCampus Hamburg Germany
4. Institute for Atmospheric and Climate ScienceETH Zurich Zurich Switzerland
5. University of Colorado and NOAA Earth System Research Lab Physical Sciences DivisionBoulder Colorado USA
6. Department of MeteorologyUniversity of UtahSalt Lake City Utah USA