1. Department of Applied Physics and Applied Mathematics and Lamont-Doherty Earth Observatory, Columbia University, New York, NY, USA
2. Scripps Institution of Oceanography, La Jolla, CA, USA
3. Department of Atmospheric Science, Colorado State University, Fort Collins, CO, USA
4. Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA
5. College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA