1. Department of Geological Sciences, The John A. and Katherine G. Jackson School of Geosciences; University of Texas at Austin; Austin Texas USA
2. Environmental Modeling Center; National Centers for Environment and Prediction, NOAA; College Park Maryland USA
3. IMSG at NOAA/NCEP/EMC; College Park Maryland USA
4. Atmospheric Sciences and Global Change Division; Pacific Northwest National Laboratory; Richland Washington USA