This work is jointly supported by National Science foundation (NSF) Grant ATM 1034439, 973 Program of China (2010CB950404), NSF of China Grants 40805028, China Meteorological Special Project (GYHY201206033, GYHY200906015), and the National Science and Technology Support Program of China (2007BAC29B03). The authors especially appreciate the two anonymous reviewers for their invaluable suggestions, and also give thanks to M. Stuecker and A. Levine for their careful proofreading and revising.
Barnston, A. G., , and R. E. Livezey, 1987: Classification, seasonality, and persistence of low-frequency atmospheric circulation patterns. Mon. Wea. Rev., 115, 1083–1126.
Benedict, J. J., , S. Lee, , and S. B. Feldstein, 2004: Synoptic view of the North Atlantic Oscillation. J. Atmos. Sci., 61, 121–144.
Blackmon, M. L., , Y.-H. Lee, , and J. M. Wallace, 1984a: Horizontal structure of 500-mb height fluctuations with long, intermediate, and short time scales. J. Atmos. Sci., 41, 961–979.
Blackmon, M. L., , Y.-H. Lee, , J. M. Wallace, , and H.-H. Hsu, 1984b: Time variation of 500-mb height fluctuations with long, intermediate, and short time scales as deduced from lag-correlation statistics. J. Atmos. Sci., 41, 981–991.
Branstator, G., 1995: Organization of storm track anomalies by recurring low-frequency circulation anomalies. J. Atmos. Sci., 52, 207–226.
Cai, M., , and H. M. van den Dool, 1991: Low-frequency waves and traveling storm tracks. Part I: Barotropic component. J. Atmos. Sci., 48, 1420–1436.
Chang, E. K. M., 2009: Are band-pass variance statistics useful measures of storm track activity? Re-examining storm track variability associated with the NAO using multiple storm track measures. Climate Dyn., 33, 277–296, doi:10.1007/s00382-009-0532-9.
Franzke, C., , S. Lee, , and S. B. Feldstein, 2004: Is the North Atlantic Oscillation a breaking wave? J. Atmos. Sci., 61, 145–160.
Gerber, E. P., , and G. K. Vallis, 2009: On the zonal structure of the North Atlantic Oscillation and annular modes. J. Atmos. Sci., 66, 332–352.
Hartmann, D. L., , and F. Lo, 1998: Wave-driven zonal flow vacillation in the Southern Hemisphere. J. Atmos. Sci., 55, 1303–1315.
Hoskins, B. J., , I. N. James, , and G. H. White, 1983: The shape, propagation and mean-flow interaction of large-scale weather systems. J. Atmos. Sci., 40, 1595–1612.
Hurrell, J. W., , and C. Deser, 2009: North Atlantic climate variability: The role of the North Atlantic Oscillation. J. Mar. Syst., 78, 28–41, doi:10.1016/j.jmarsys.2008.11.026.
Jin, F.-F., , L.-L. Pan, , and M. Watanabe, 2006a: Dynamics of synoptic eddy and low-frequency flow interaction. Part I: A linear closure. J. Atmos. Sci., 63, 1677–1694.
Jin, F.-F., , L.-L. Pan, , and M. Watanabe, 2006b: Dynamics of synoptic eddy and low-frequency flow interaction. Part II: A theory for low-frequency modes. J. Atmos. Sci., 63, 1695–1708.
Kok, C. J., , J. D. Opsteegh, , and H. M. van den Dool, 1987: Linear models: Useful tools to analyze GCM results. Mon. Wea. Rev., 115, 1996–2008.
Kug, J.-S., , and F.-F. Jin, 2009: Left-hand rule for synoptic eddy feedback on low-frequency flow. Geophys. Res. Lett., 36, L05709, doi:10.1029/2008GL036435.
Kug, J.-S., , F.-F. Jin, , J.-H. Park, , H.-L. Ren, , and I.-S. Kang, 2010a: A general rule for synoptic-eddy feedback onto low-frequency flow. Climate Dyn., 35, 1011–1026, doi:10.1007/s00382-009-0606-8.
Kug, J.-S., , F.-F. Jin, , and H.-L. Ren, 2010b: Role of synoptic eddies on low-frequency precipitation variation. J. Geophys. Res., 115, D19115, doi:10.1029/2009JD013675.
Lau, N.-C., 1988: Variability of the observed midlatitude storm tracks in relation to low-frequency changes in the circulation pattern. J. Atmos. Sci., 45, 2718–2743.
Lau, N.-C., , and E. O. Holopainen, 1984: Transient eddy forcing of the time-mean flow as identified by geopotential tendencies. J. Atmos. Sci., 41, 313–328.
Lau, N.-C., , and M. J. Nath, 1991: Variability of the baroclinic and barotropic transient eddy forcing associated with monthly changes in the midlatitude storm tracks. J. Atmos. Sci., 48, 2589–2613.
Lim, G.-H., , and J. M. Wallace, 1991: Structure and evolution of baroclinic waves as inferred from regression analysis. J. Atmos. Sci., 48, 1718–1732.
Limpasuvan, V., , and D. L. Hartmann, 1999: Eddies and the annular modes of climate variability. Geophys. Res. Lett., 26, 3133–3136.
Löptien, U., , and E. Ruprecht, 2005: Effect of synoptic systems on the variability of the North Atlantic Oscillation. Mon. Wea. Rev., 133, 2894–2904.
Lorenz, D. J., , and D. L. Hartmann, 2003: Eddy–zonal flow feedback in the Northern Hemisphere winter. J. Climate, 16, 1212–1227.
Luo, D., 2005: A barotropic envelope Rossby soliton model for block–eddy interaction. Part I: Effect of topography. J. Atmos. Sci., 62, 5–21.
Luo, D., , A. R. Lupo, , and H. Wan, 2007: Dynamics of eddy driven low-frequency dipole modes. Part I: A simple model of North Atlantic Oscillations. J. Atmos. Sci., 64, 3–28.
Marshall, J., and Coauthors, 2001: North Atlantic climate variability: Phenomena, impacts and mechanisms. Int. J. Climatol., 21, 1863–1898.
Nakamura, H., , and J. M. Wallace, 1990: Observed changes in baroclinic wave activity during the life cycles of low-frequency circulation anomalies. J. Atmos. Sci., 47, 1100–1116.
Nakamura, H., , M. Nakamura, , and J. L. Anderson, 1997: The role of high- and low-frequency dynamics in blocking formation. Mon. Wea. Rev., 125, 2074–2093.
Pan, L.-L., , F.-F. Jin, , and M. Watanabe, 2006: Dynamics of synoptic eddy and low-frequency flow interaction. Part III: Baroclinic model results. J. Atmos. Sci., 63, 1709–1725.
Plumb, R. A., 1990: A nonacceleration theorem for transient quasi-geostrophic eddies on a three-dimensional time-mean flow. J. Atmos. Sci., 47, 1825–1836.
Qin, J. C., , and W. A. Robinson, 1992: Barotropic dynamics of interactions between synoptic and low-frequency eddies. J. Atmos. Sci., 49, 71–79.
Ren, H.-L., , F.-F. Jin, , J.-S. Kug, , J.-X. Zhao, , and J. Park, 2009: A kinematic mechanism for positive feedback between synoptic eddies and NAO. Geophys. Res. Lett., 36, L11709, doi:10.1029/2009GL037294.
Ren, H.-L., , F.-F. Jin, , J.-S. Kug, , and L. Gao, 2011: Transformed eddy PV flux and positive synoptic eddy feedback onto low-frequency flow. Climate Dyn., 36, 2357–2370, doi:10.1007/s00382-010-0913-0.
Rivière, G., , and I. Orlanski, 2007: Characteristics of the Atlantic storm-track eddy activity and its relation with the North Atlantic Oscillation. J. Atmos. Sci., 64, 241–266.
Robinson, W. A., 1991: The dynamics of low-frequency variability in a simple model of the global atmosphere. J. Atmos. Sci., 48, 429–441.
Rogers, J. C., 1997: North Atlantic storm track variability and its association to the North Atlantic Oscillation and climate variability of northern Europe. J. Climate, 10, 1635–1647.
Shutts, G. J., 1983: The propagation of eddies in diffluent jetstreams: Eddy vorticity forcing of ‘blocking’ flow fields. Quart. J. Roy. Meteor. Soc., 109, 737–761.
Strong, C., , and G. Magnusdottir, 2008a: How Rossby wave breaking over the Pacific forces the North Atlantic Oscillation. Geophys. Res. Lett., 35, L10716, doi:10.1029/2008GL033578.
Vautard, R., , B. Legras, , and M. Déqué, 1988: On the source of midlatitude low-frequency variability. Part I: A statistical approach to persistence. J. Atmos. Sci., 45, 2811–2843.
Wallace, J. M., , and D. S. Gutzler, 1981: Teleconnections in the geopotential height field during the Northern Hemisphere winter. Mon. Wea. Rev., 109, 784–812.
Wallace, J. M., , G.-H. Lim, , and M. L. Blackmon, 1988: Relationship between cyclone tracks, anticyclone tracks and baroclinic waveguides. J. Atmos. Sci., 45, 439–462.
Watanabe, M., 2009: Self-limiting feedback between baroclinic waves and a NAO-like sheared zonal flow. Geophys. Res. Lett., 36, L08803, doi:10.1029/2009GL037176.
Woollings, T., , B. J. Hoskins, , M. Blackburn, , and P. Berrisford, 2008: A new Rossby wave-breaking interpretation of the North Atlantic Oscillation. J. Atmos. Sci., 65, 609–626.
Woollings, T., , A. Hannachi, , B. Hoskins, , and A. Turner, 2010: A regime view of the North Atlantic Oscillation and its response to anthropogenic forcing. J. Climate, 23, 1291–1307.
Yu, J.-Y., , and D. L. Hartmann, 1993: Zonal flow vacillation and eddy forcing in a simple GCM of the atmosphere. J. Atmos. Sci., 50, 3244–3259.