We thank Richard Rotunno, Vanda Grubišić, and Piotr Smolarkiewicz for their willingness to share their simulation data; Piotr Smolarkiewicz for making the data available in a format convenient for us; Robert Hallberg, Peter Haynes, David Marshall, Olivier Pauluis, and Richard Rotunno for helpful comments on drafts of this paper; and Heidi Swanson for editing the manuscript. Parts of this paper where drafted while T. Schneider was with the Atmospheric and Oceanic Sciences Program at Princeton University, where he was supported by a NASA Earth System Science Fellowship.
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