1. Department of Meteorology and Atmospheric Science Pennsylvania State University University Park Pennsylvania USA
2. Department of Land Resources and Environmental Sciences Montana State University Bozeman Montana USA
3. Nicholas School of the Environment Duke University Durham North Carolina USA
4. Universidade Federal do Parana Curitiba Brazil
5. Universidade Federal de Santa Maria Santa Maria Rio Grande do Sul Brazil
6. Department of Atmospheric and Oceanic Sciences University of California Los Angeles California USA