The authors would like to thank Chris Davis for helping to develop the foldogenesis concept. We also are grateful to Richard Rotunno for lending us the model code and to Louis Wicker and William Skamarock for their assistance with the code. M. Wandishin and J. Nielsen-Gammon were supported by NSF Grants ATM-9553284 and ATM-9521383, and D. Keyser was supported by NSF Grants ATM-9421678 and ATM-9818088.
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