The authors thank Dr. Tom Kleespies of the NOAA NESDIS Office of Research and Applications for providing the archived ATOVS radiosonde match files. All of the figures in this manuscript were created using the Gridded Analysis and Display System (GADS) developed at the Center for Ocean–Land–Atmosphere Studies (COLA), and the routines for creating the skew T plots were written by Robert Hart at The Pennsylvania State University. The authors also thank the anonymous reviewers for their comments that led to improvements in the manuscript. This work was supported by NASA under an Earth System Science Fellowship awarded to the first author and under Contract NAG5-6656 with the second author and by the National Science Foundation under Contract CMS 95-01958.
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