1. Department of Atmospheric Sciences; University of Illinois at Urbana-Champaign; Urbana Illinois USA
2. Department of Civil and Environmental Engineering; University of Illinois at Urbana-Champaign; Urbana Illinois USA
3. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
4. Center for Atmospheric Sciences; Scripps Institution of Oceanography; La Jolla California USA
5. Climate and Global Dynamics Division; National Center for Atmospheric Research; Boulder Colorado USA