The authors thank Bill Merryfield, John Scinocca, and two anonymous reviewers for their very helpful comments on this manuscript. Adam Monahan acknowledges support from the Natural Sciences and Engineering Research Council of Canada and from the Canadian Institute for Advanced Research Earth System Evolution Program.
Fyfe, J. C., , and D. J. Lorenz, 2005: Characterizing zonal wind variability: Lessons from a simple GCM. J. Climate, 18 , 3400–3404.
Fyfe, J. C., , G. J. Boer, , and G. M. Flato, 1999: The Arctic and Antarctic Oscillations and their projected changes under global warming. Geophys. Res. Lett., 26 , 1601–1604.
Gerber, E. P., , and G. K. Vallis, 2005: A stochastic model for the spatial structure of annular patterns of variability and the North Atlantic Oscillation. J. Climate, 18 , 2102–2118.
Monahan, A. H., 2006: The probability distribution of sea surface wind speeds. Part I: Theory and sea winds observations. J. Climate, 19 , 497–520.
Vallis, G. K., , E. P. Gerber, , P. J. Kushner, , and B. A. Cash, 2004: A mechanism and simple dynamical model of the North Atlantic Oscillation and annular modes. J. Atmos. Sci., 61 , 264–280.
Wittman, M. A., , A. J. Charlton, , and L. M. Polvani, 2005: On the meridional structure of annular modes. J. Climate, 18 , 2119–2122.