Auxiliary Material Submission for Paper 2012GL054387R Title: An Ocean Cooling Potential Intensity Index for Tropical Cyclones Authors: I.-I. Lin1,2*, P. Black3, J. F. Price4, C.-Y. Yang1, S. S. Chen5, C.-C. Lien1,2, P. Harr6, N.-H. Chi7, C.-C. Wu1 & E. A. D’Asaro7 1Department of Atmospheric Sciences, National Taiwan University, Taipei, Taiwan. 2Research Center for Environmental Changes, Academia Sinica, Taipei, Taiwan. 3Science Application International Corporation, Inc and Naval Research Laboratory, Monterey, USA. 4Woods Hole Oceanographic Institution, Woods Hole Massachusetts, USA. 5Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, Miami, USA. 6Naval Postgraduate School, Monterey, USA. 7Applied Physics Laboratory, University of Washington, Seattle, USA. Geophysical Research Letters doi:10.1029/2012GL054387R Introduction: This file contains additional information on data, method, figures, and further discussions for the paper.