This study benefited from comments from the anonymous reviewers. We acknowledge support from the DOE Office of Science (BER) under Cooperative Agreement DE-FC02-97ER62402 (Teng) and Contract DE-SC0005355 (Branstator) and by NOAA’s Climate Prediction Program for the Americas Award NA09OAR4310187 (Branstator).
Ambaum, M. H. P., B. J. Hoskins, and D. B. Stephenson, 2001: Arctic Oscillation or North Atlantic Oscillation? J. Climate,14, 3495–3507; Corrigendum, 15, 551.
Brandefelt, J., and H. Kornich, 2008: Northern Hemisphere stationary waves in future climate projections. J. Climate, 21, 6341–6353.
Branstator, G., 2002: Circumglobal teleconnections, the jet stream waveguide, and the North Atlantic Oscillation. J. Climate, 15, 1893–1910.
Broccoli, A., N.-C. Lau, and M. J. Nath, 1998: The cold ocean–warm land pattern: Model simulation and relevance to climate change detection. J. Climate, 11, 2743–2763.
Cai, W., P. G. Baines, and H. B. Gordon, 1999: Southern mid- to high-latitude variability, a zonal wavenumber-3 pattern, and the Antarctic circumpolar wave in the CSIRO coupled model. J. Climate, 12, 3087–3104.
Chang, E. K. M., and Y. Fu, 2002: Interdecadal variations in Northern Hemisphere winter storm track intensity. J. Climate, 15, 642–658.
Corti, S., F. Molteni, and T. N. Palmer, 1999: Signature of recent climate change in frequencies of natural atmospheric circulation regimes. Nature, 398, 799–802.
Deser, C., and A. S. Phillips, 2009: Atmospheric circulation trends, 1950–2000: The relative roles of sea surface temperature forcing and direct atmospheric radiative forcing. J. Climate, 22, 396–413.
Hoskins, B. J., and D. J. Karoly, 1981: The steady response of a spherical atmosphere to thermal and orographic forcing. J. Atmos. Sci., 38, 1179–1196.
Hurrell, J. W., 1995: Decadal trends in the North Atlantic Oscillation region temperature and precipitation. Science, 269, 676–679.
Lu, J., J. Greatbatch, and K. A. Peterson, 2004: Trend in Northern Hemisphere winter atmospheric circulation during the last half of the twentieth century. J. Climate, 17, 3745–3760.
Meehl, G. A., and H. Teng, 2007: Multi-model changes in El Niño teleconnections over North America in a future warmer climate. Climate Dyn., 29, 779–790.
Meehl, G. A., C. Covey, T. Delworth, M. Latif, B. McAvaney, J. F. B. Mitchell, R. J. Souffer, and K. E. Taylor, 2007: The WCRP CMIP3 multimodel dataset: A new era in climate change research. Bull. Amer. Meteor. Soc., 88, 1383–1394.
Molteni, F., M. P. King, F. Kucharski, and D. M. Straus, 2011: Planetary-scale variability in the northern winter and the impact of land–sea thermal contrast. Climate Dyn., 37, 151–170.
North, G. R., T. L. Bell, R. F. Cahalan, and R. J. Moeng, 1982: Sampling errors in the estimation of empirical orthogonal function. Mon. Wea. Rev., 110, 699–706.
Quadrelli, R., and J. M. Wallace, 2004: A simplified linear framework for interpreting patterns of Northern Hemisphere wintertime climate variability. J. Climate, 17, 3728–3744.
Thompson, D. J. W., and J. M. Wallace, 1998: The Arctic Oscillation signature in the wintertime geopotential height and temperature fields. Geophys. Res. Lett., 25, 1297–1300.
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., Y. Zhang, and L. Bajuk, 1996: Interpretation of interdecadal trends in Northern Hemisphere surface air temperature. J. Climate, 9, 249–259.
If we calculate the EOFs using December–March (DJFM) instead of DJF means, the resulting EOF2 has similar wavenumber 3 structure except that the amplitude of the positive anomaly over the North Atlantic and negative anomaly over Europe is much reduced.