Summertime precipitation variability over South America: Role of the large-scale circulation

Monthly Weather Review

Volumn 127, Issue 2-3, 1999, Pages 409-431

  Lenters, J D ^a,b   Cook, Kerry H ^a  

^a Department of Obstetrics Gynecology   (United States)

^b UNIVERSITY OF WISCONSIN MADISON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC CIRCULATION; PRECIPITATION (CLIMATOLOGY); SEASONAL VARIATION;

SOUTH AMERICA;

EID: 0032722554     PISSN: 00270644     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0493(1999)127<0409:spvosa>2.0.co;2     Document Type: Article

References (41)

1. Aceituno, P., 1988: On the functioning of the Southern Oscillation in the South American sector. Part I: Surface climate. Mon. Wea. Rev., 116, 505-524.
2. _, and A. Montecinos, 1993: Circulation anomalies associated with dry and wet periods in the South American Altiplano. Preprints, Fourth Int. Conf. on Southern Hemisphere Meteorology and Oceanography, Hobart, Australia, Amer. Meteor. Soc., 330-331.
3. Berri, G. J., and J. Inzunza, 1993: The effect of the low-level jet on the poleward water vapour transport in the central region of South America. Atmos. Environ., 27A, 335-341.
4. DeMaria, M., 1985: Linear response of a stratified tropical atmosphere to convective forcing. J. Atmos. Sci., 42, 1944-1959.
5. Gan, M. A., and V. B. Rao, 1991: Surface cyclogenesis over South America. Mon. Wea. Rev., 119, 1293-1302.
6. Gandu, A. W., and J. E. Geisler, 1991: A primitive equations model study of the effect of topography on the summer circulation over tropical South America. J. Atmos. Sci., 48, 1822-1836.
7. Grimm, A. M., and P. L. Silva Dias, 1995: Analysis of tropical-extratropical interactions with influence functions of a barotropic model. J. Atmos. Sci., 52, 3538-3555.
8. Gutman, G. J., and W. Schwerdtfeger, 1965: The role of latent and sensible heat for the development of a high pressure system over the subtropical Andes, in the summer. Meteor. Rundsch., 18, 69-75.
9. Horel, J. D., A. N. Hahmann, and J. E. Geisler, 1989: An investigation of the annual cycle of convective activity over the tropical Americas. J. Climate, 2, 1388-1403.
10. Janowiak, J. E., and P. A. Arkin, 1991: Rainfall variations in the tropics during 1986-1989, as estimated from observations of cloud-top temperature. J. Geophys. Res., 96 (Suppl.), 3359-3373.
11. Kalnay, E., K. C. Mo, and J. Paegle, 1986: Large-amplitude, short-scale stationary Rossby waves in the Southern Hemisphere: Observations and mechanistic experiments to determine their origin. J. Atmos. Sci., 43, 252-275.
12. Kessler, A., 1981: Fluctuations of the water budget on the Altiplano and of the atmospheric circulation (in German). Aachener Geographische Arbeiten, 14, 111-122.
13. Kiladis, G. N., and K. M. Weickmann, 1992: Circulation anomalies associated with tropical convection during northern winter. Mon. Wea. Rev., 120, 1900-1923.
14. Kodama, Y.-M., 1992: Large-scale common features of subtropical precipitation zones (the Baiu Frontal Zone, the SPCZ, and the SACZ). Part I: Characteristics of subtropical frontal zones. J. Meteor. Soc. Japan, 70, 813-835.
15. _, 1993: Large-scale common features of sub-tropical convergence zones (the Baiu Frontal Zone, the SPCZ, and the SACZ). Part II: Conditions of the circulations for generating the STCZs. J. Meteor. Soc. Japan, 71, 581-610.
16. Kousky, V. E., and M. A. Gan, 1981: Upper tropospheric cyclonic vortices in the tropical South Atlantic. Tellus, 33, 538-550.
17. _, and D. P. Casarin, 1986: Rainfall anomalies in southern Brazil and related atmospheric circulation features. Proc. Second Int. Conf. on Southern Hemisphere Meteorology, Wellington, New Zealand, Amer. Meteor. Soc., 435-438.
18. _, and A. Leetmaa, 1989: The 1986-87 Pacific warm episode: Evolution of oceanic and atmospheric anomaly fields. J. Climate, 2, 254-267.
19. _, and M. T. Kayano, 1994: Principal modes of outgoing longwave radiation and 250-mb circulation for the South American sector. J. Climate, 7, 1131-1143.
20. _, _, and I. F. A. Cavalcanti, 1984: A review of the Southern Oscillation: Oceanic-atmospheric circulation changes and related rainfall anomalies. Tellus, 36A, 490-504.
21. Kutzbach, J. E., 1967: Empirical eigenvectors of sea-level pressure, surface temperature and precipitation complexes over North America. J. Appl. Meteor., 6, 791-802.
22. Lau, K.-M., and P. H. Chan, 1983: Short-term climate variability and atmospheric teleconnections from satellite-observed outgoing longwave radiation. Part I: Simultaneous relationships. J. Atmos. Sci., 40, 2735-2750.
23. Legates, D. R., and C. J. Willmott, 1990: Mean seasonal and spatial variability in gauge-corrected, global precipitation. Int. J. Climatol., 10, 111-127.
24. Lenters, J. D., 1997a: Climate dynamics of South America during summer: Connections between the large-scale circulation and regional precipitation. Ph.D. dissertation, Cornell University, 268 pp. [Available from J. D. Lenters, Center for Climate Research, Institute for Environmental Studies, University of Wisconsin - Madison, 1225 W. Dayton St., Madison, WI 53706-1695.]
25. _, 1997b: Interannual variability of summertime precipitation on the South American Altiplano: Connections with the large-scale circulation. Preprints, 22d Conf. on Hurricanes and Tropical Meteorology, Fort Collins, CO, Amer. Meteor. Soc., 457-458.
26. _, and K. H. Cook, 1995: Simulation and diagnosis of the regional summertime precipitation climatology of South America. J. Climate, 8, 2988-3005.
27. _, and _, 1997: On the origin of the Bolivian high and related circulation features of the South American climate. J. Atmos. Sci., 54, 656-677.
28. Martin, L., M. Fournier, P. Mourguiart, A. Sifeddine, B. Turcq, M. L. Absy, and J.-M. Flexor, 1993: Southern oscillation signal in South American palaeoclimatic data of the last 7000 years. Quat. Res., 39, 338-346.
29. Nobre, C. A., and A. S. de Oliveira, 1986: Precipitation and circulation anomalies in South America and the 1982-83 El Niño/ Southern Oscillation episode. Proc. Second Int. Conf. on Southern Hemisphere Meteorology, Wellington, New Zealand, Amer. Meteor. Soc., 442-445.
30. North, G. R., T. L. Bell, R. F. Cahalan, and F. J. Moeng, 1982: Sampling errors in the estimation of empirical orthogonal functions. Mon. Wea. Rev., 110, 699-706.
31. Paegle, J., and K. C. Mo, 1997: Alternating wet and dry conditions over South America during summer. Mon. Wea. Rev., 125, 279-291.
32. Preisendorfer, R. W., 1988: Principal Component Analysis in Meteorology and Oceanography. Elsevier, 425 pp.
33. Quenouille, M. H., 1952: Associated Measurements. Academic Press, 242 pp.
34. Rao, G. V., and S. Erdogan, 1989: The atmospheric heat source over the Bolivian plateau for a mean January. Bound.-Layer Meteor., 46, 13-33.
35. Rao, V. B., and K. Hada, 1990: Characteristics of rainfall over Brazil: Annual variations and connections with the Southern Oscillation. Theor. Appl. Climatol., 42, 81-91.
36. Richman, M. B., 1986: Rotation of principal components. J. Climatol., 6, 293-335.
37. Satyamurty, P., C. C. Ferreira, and M. A. Gan, 1990: Cyclonic vortices over South America. Tellus, 42A, 194-201.
38. Schubert, S. D., R. B. Rood, and J. Pfaendtner, 1993: An assimilated dataset for earth science applications. Bull. Amer. Meteor. Soc., 74, 2331-2342.
39. Silva Dias, P. L., W. H. Schubert, and M. DeMaria, 1983: Large-scale response of the tropical atmosphere to transient convection. J. Atmos. Sci., 40, 2689-2707.
40. Virji, H., 1981: A preliminary study of summertime tropospheric circulation patterns over South America estimated from cloud winds. Mon. Wea. Rev., 109, 599-610.
41. Wilks, D. S., 1995: Statistical Methods in the Atmospheric Sciences. Academic Press, 467 pp.