The author would like to thank Dr. Tom Smith for providing her the CCA program, Dr. William Lau for giving her an advanced copy of the ECC paper. Thanks to Drs. Tom Smith, Steven Tracton, Francis Zwiers, and reviewers. Their suggestions improved the paper.
Barnett, T. P., and R. Preisendorfer, 1987: Origins and levels of monthly and seasonal forecast skill for United States surface air temperature determined by canonical correlation analysis. Mon. Wea. Rev., 115 , 1825–1850.
Barnston, A. G., 1992: Correspondence among the correlation, RMSE, and Heidke forecast verification measures; refinement of the Heidke score. Wea. Forecasting, 7 , 699–709.
Barnston, A. G., 1994: Linear statistical short-term climate predictive skill in the Northern Hemisphere. J. Climate, 7 , 1513–1564.
Barnston, A. G., and T. M. Smith, 1996: Specification and prediction of global surface temperature and precipitation from global SST using CCA. J. Climate, 9 , 2660–2697.
Barnston, A. G., A. Leetmaa, V. Kousky, R. Livezy, E. O'Lenic, H. Van den Dool, A. J. Wagner, and D. A. Unger, 1999: NCEP forecasts of the El Niño of 1997–98 and its U.S. impacts. Bull. Amer. Meteor. Soc., 80 , 1829–1852.
Bretherton, C. S., C. Smith, and J. M. Wallace, 1992: An intercomparison of methods for finding coupled patterns in climate data. J. Climate, 5 , 544–560.
Feddersen, H., A. Navarra, and N. M. Ward, 1999: Reduction of model systematic error by statistical correction for dynamical seasonal predictions. J. Climate, 12 , 1974–1989.
Goddard, L., S. J. Mason, S. E. Zebiak, R. C. Ropelewski, B. Basher, and M. A. Cane, 2001: Current approaches to seasonal-to-interannual climate predictions. J. Climatol., 21 , 1111–1152.
Halpert, M. S., and C. F. Ropelewski, 1992: Surface temperature patterns associated with the Southern Oscillation. J. Climate, 5 , 577–593.
Huang, J., H. M. Van den Dool, and K. P. Georgakakos, 1996: Analysis of model-calculated soil moisture over the United States (1931–1993) and applications to long-range temperature forecasts. J. Climate, 9 , 1350–1362.
Kanamitsu, M., A. Kumar, J. K. Schemm, H. M. H. Juang, W. Wang, S. Y. Hong, P. Peng, and J. Ming, 2002: NCEP dynamical seasonal forecast system 2000. Bull. Amer. Meteor. Soc., 83 , 1019–1037.
Koster, R. D., M. J. Suarez, and M. Heiser, 2000: Variance and predictability of precipitation at seasonal-to-interannual timescales. J. Hydrometeor., 1 , 26–46.
Krishnamurti, T. N., C. M. Kishtawal, D. W. Shin, and C. E. Willford, 2000a: Improving tropical precipitation forecasts from a multianalysis superensemble. J. Climate, 13 , 4217–4227.
Krishnamurti, T. N., C. M. Kishtawal, Z. Zhang, T. LaRow, D. Bachochi, E. Willford, S. Gadgil, and S. Surendran, 2000b: Multimodel ensemble forecasts for weather and seasonal forecasts. J. Climate, 13 , 4196–4216.
Lau, K. M., K. M. Kim, and S. P. Shen, 2002: Potential predictability of seasonal precipitation over the United States from canonical ensemble correlation predictions. Geophys. Res. Lett., 29 (7) 1097, doi:10.1029/2001GL014263.
Livezey, R. E., and W. Y. Chen, 1983: Statistical field significance and its determination by Monte Carlo techniques. Mon. Wea. Rev., 111 , 46–59.
Livezey, R. E., and T. M. Smith, 1999: Covariability of aspects of North American climate with global sea surface temperatures on interannual and interdecadal timescales. J. Climate, 12 , 289–305.
Mason, S. J., and L. Goddard, 2001: Probabilistic precipitation anomalies associated with ENSO. Bull. Amer. Meteor. Soc., 82 , 619–638.
Mo, K. C., and X. L. Wang, 1995: Sensitivity of the systematic error of extended range forecasts to sea surface temperature anomalies. J. Climate, 8 , 1533–1543.
Mo, K. C., and W. M. Thiaw, 2002: Ensemble canonical correlation prediction of precipitation over the Sahel. Geophys. Res. Lett., 29 (12) 1570, doi:10.1029/2002GL015075.
O'Lenic, E. A., and R. Livezey, 1989: Relationships between systematic errors in medium range numerical forecasts and some of the principal modes of low-frequency variability of the Northern Hemisphere 700 mb circulation. Mon. Wea. Rev., 117 , 1262–1280.
Rajagopalan, B., U. Lall, and S. E. Zebiak, 2002: Categorical climate forecasts through regularization and optimal combination of multiple GCM ensembles. Mon. Wea. Rev., 130 , 1792–1811.
Roplewski, C. F., and H. S. Halpert, 1987: Global and regional precipitation patterns associated with the El Niño/Southern Oscillation. Mon. Wea. Rev., 115 , 1606–1626.
Roplewski, C. F., and H. S. Halpert, 1989: Precipitation patterns associated with the high index phase of the Southern Oscillation. J. Climate, 2 , 268–284.
Smith, T. M., and R. E. Livezey, 1999: GCM systematic error correction and specification of the seasonal mean Pacific–North America region atmosphere from global SSTs. J. Climate, 12 , 273–288.
Smith, T. M., R. W. Reynolds, R. E. Livezey, and D. C. Stokes, 1996: Reconstruction of historical sea surface temperatures using empirical orthogonal functions. J. Climate, 9 , 1403–1420.
Smith, T. M., R. E. Livezey, and S. S. Shen, 1998: An improved method for analyzing sparse and irregularly distributed SST data on a regular grid: The tropical Pacific Ocean. J. Climate, 11 , 1717–1729.
Ward, N., and A. Navarra, 1997: Pattern analysis of SST-forced variability in ensemble GCM simulations: Examples over Europe and the tropical Pacific. J. Climate, 10 , 2210–2220.