We thank Alexey Fedorov and four anonymous reviewers for their very useful comments. IE and ET are supported by the U.S. National Science Foundation Climate Dynamics program Grant ATM-0351123. LY is supported by NASA ocean vector wind science team under JPL Contract 1216955 and NSF Climate Dynamics Grant ATM-0350266. Frank Wentz and his research team at the Remote Sensing System, California, are acknowledged for providing QuikScat wind and TMI SST data used in this study. The TAO buoy data were acquired online from the TAO Project Office.
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