M. Barlow acknowledges support from the UCAR–IRI Postdoctoral Fellowship. H. Cullen acknowledges support from the NOAA Postdoctoral Program in Climate and Global Change. We thank C. Ropelewski, P. Arkin, T. Barnston, and J. Zotter for useful discussions, and Sumant Nigam for the use of his linear model. IRI is supported by the NOAA Office of Global Programs, Columbia University, and the government of Taiwan.
Horel, J., , and J. Wallace, 1981: Planetary scale atmospheric phenomena associated with the Southern Oscillation. Mon. Wea. Rev., 109 , 813–829.
Janowiak, J., , and P. Xie, 1999: CAMS–OPI: A global satellite–rain gauge merged product for real-time precipitation monitoring applications. J. Climate, 12 , 3335–3342.
Kaplan, A., , M. Cane, , Y. Kushnir, , A. Clement, , B. Blumenthal, , and B. Rajagopolan, 1998: Analyses of global sea surface temperature 1856–1991. J. Geophys. Res., 103 ((C9),) 18567–18589.
Nigam, S., , I. Held, , and S. Lyons, 1988: Linear simulations of the stationary eddies in a GCM. Part II: The “Mountain” Model. J. Atmos. Sci., 45 , 1433–1452.
Rasmusson, E. M., , and T. H. Carpenter, 1982: Variations in tropical sea surface temperature and surface wind fields associated with the Southern Oscillation/El Niño. Mon. Wea. Rev., 110 , 354–384.
Ropelewski, C., , and M. Halpert, 1987: Global and regional scale precipitation patterns associated with the El Niño/Southern Oscillation. Mon. Wea. Rev., 115 , 1606–1626.
Ropelewski, C., , and M. Halpert, . 1989: Precipitation patterns associated with the high index phase of the Southern Oscillation. J. Climate, 2 , 268–284.
Trenberth, K., , G. Branstator, , D. Karoly, , A. Kumar, , N-C. Lau, , and C. Ropelewski, 1998: Progress during TOGA in understanding and modeling global teleconnections associated with tropical sea surface temperatures. J. Geophys. Res., 103 ((C7),) 14291–14324.