We would like to thank Dr. George Kiladis for the OLR data. This work was partially supported by the Office of Global Programs under the Pan American Climate Studies and the CDAS reanalysis projects and by Interagency Agreement S-41367-F under the authority of NASA Headquarters.
Berbery, E. H., and J. N. Paegle, 1993: Intraseasonal interactions between the Tropics and extratropics in the Southern Hemisphere. J. Atmos. Sci.,50, 1950–1965.
Blackmon, M. L., 1976: A climatological spectral study of the 500 mb height of the Northern Hemisphere. J. Atmos. Sci.,33, 1607–1623.
Branstator, G., 1987: A striking example of the atmosphere’s leading traveling pattern. J. Atmos. Sci.,44, 2310–2323.
Dole, R. M., and N. D. Gordon, 1983: Persistent anomalies of the extratropical Northern Hemisphere wintertime circulation: Geographical distribution and regional persistent characteristics. Mon. Wea. Rev.,111, 1538–1553.
——, and R. X. Black, 1990: Life cycles of persistent anomalies. Part II: The development of persistent negative height anomalies over the North Pacific Ocean. Mon. Wea. Rev., 118, 824–846.
Ghil, M., and K. C. Mo, 1991: Intraseasonal oscillations in the global atmosphere. Part II: Southern Hemisphere. J. Atmos. Sci.,48, 780–790.
Higgins, R. W., and S. D. Schubert, 1994: Simulated life cycles of persistent anticyclonic anomalies over the North Pacific: Role of synoptic scale eddies. J. Atmos. Sci.,51, 3238–3260.
——, and ——, 1996: Simulations of persistent North Pacific circulation anomalies and interhemispheric teleconnections. J. Atmos. Sci.,53, 188–207.
——, and K. C. Mo, 1997: Persistent North Pacific circulation anomalies and the tropical intraseasonal oscillation. J. Climate,10, 223–244.
Kalnay E., and Coauthors, 1996: The NCEP/NCAR 40-year reanalysis project. Bull. Amer. Meteor. Soc.77, 437–471,.
Karoly, D. J., 1989: Southern Hemisphere circulation features associated with El Nino–Southern Oscillation. J. Climate,2, 1239–1252.
Kidson, J. W., 1988: Interannual variations in the Southern Hemisphere circulation. J. Climate,1, 1177–1198.
——, 1991: Intraseasonal variation in the Southern Hemisphere circulation. J. Climate,4, 939–953.
Knutson, T. R., and K. M. Weickmann, 1987: 30–60 day atmospheric oscillations: composite life cycle of convection and circulation anomalies. Mon. Wea. Rev.,115, 1407–1436.
Lau, M. K., and P. H. Chan, 1986: Aspects of the 40–50 day oscillation during the northern summer as inferred from outgoing long wave radiation. Mon. Wea. Rev.,114, 1354–1367.
——, P. J. Sheu, and I. S. Kang, 1994: Multiscale low-frequency circulation modes in the global atmosphere. J. Atmos. Sci., 51, 2753–2750.
Liebmann B., and C. A. Smith, 1996: Description of a complete (interpolated) outgoing longwave radiation dataset. Bull. Amer. Meteor. Soc., 77, 1275–1277.
Mo, K. C., and G. H. White, 1985: Teleconnections in the Southern Hemisphere. Mon. Wea. Rev.,113, 22–37.
Papoulis, A., 1973: Minimum bias windows for high resolution spectral estimates. IEEE Trans. Info. Theory, 19, 9–12.
Rogers, J. C., and H. van Loon, 1982: Spatial variability of sea level pressure and height anomalies over the Southern Hemisphere. Mon. Wea. Rev., 110, 1375–1392.
Schubert, S. D., R. B. Rood and J. Pfaendtner, 1993: An assimilated dataset for earth science applications. Bull. Amer. Meteor. Soc., 74, 2331–2342.
Szeredi, I., and D. J. Karoly, 1987: The horizontal structure of monthly fluctuations of the Southern Hemisphere troposphere from station data. Aust. Meteor. Mag., 35, 119–129.
Trenberth, K. E., 1986a: The signature of a blocking episode on the central circulation in the Southern Hemisphere. J. Atmos. Sci.,43, 2061–2069.
——, 1986b: An assessment of the impact of transient eddies on the zonal flow during a blocking episode using localized Eliassen–Palm flux diagnostics. J. Atmos. Sci.,43, 2070–2087.
Vautard, R., and M. Ghil, 1989: Singular spectrum analysis in nonlinear dynamics with applications to paleoclimatic time series. Physica,35D, 392–424.
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.