Financial support for the various data collection and analysis efforts has been provided by the National Science Foundation (Grant DGE-0221688,) Department of Energy (Cooperative Agreement DE-FG36-06G0B6092), and the Wind Science and Engineering Research Center and Department of Geosciences at Texas Tech University. Special thanks are extended to Russell St. Fleur, Nick Carrasco, and Sonia Otero at NOAA/AOML/HRD for assistance with the GPS dropwindsonde database and H*Wind as well as the men and women of NOAA/Aircraft Operations Center, NOAA/AOML/HRD, and the U.S. Air Force, who collected the GPS sonde data used in this study. The authors thank Dr. Tanya Brown and Dr. Brian Hirth for their review and suggestions to help improve the manuscript’s readability. We also acknowledge two anonymous reviewers for their constructive comments, which have helped improve the manuscript and the presented analyses.
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