1. Department of Geography; University of California; Los Angeles California USA
2. Department of Atmospheric Sciences; University of California; Los Angeles California USA
3. National Centers for Environmental Prediction, National Oceanic and Atmospheric Administration; Camp Springs Maryland USA
4. Department of Geography; University of Maryland; College Park Maryland USA
5. Earth System Science Interdisciplinary Center; University of Maryland; College Park Maryland USA
6. Department of Earth and Atmospheric Sciences; University of Quebec at Montreal; Montreal Canada