Influence of the subtropical Andes on baroclinic disturbances: A cold front case study

Monthly Weather Review

Volumn 134, Issue 11, 2006, Pages 3317-3335

  Seluchi, Marcelo E ^a   Garreaud, René D ^b,c   Norte, Federico A ^d   Saulo, A Celeste ^e  

^a INSTITUTO NACIONAL DE PESQUISAS ESPACIAIS   (Brazil)

^b UNIVERSITY OF CHILE   (Chile)

^c CONICET ^*  (United States)

^d Facultad de Ciencias Naturales e Instituto M Lillo   (Argentina)

^e Centro de Investigacion del Mar y la Atmosfera   (Argentina)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE CHANGE; COMPUTER SIMULATION; LANDFORMS; STORMS; TROPICS; WEATHER FORECASTING;

BAROCLINIC DISTURBANCES; COLD FRONT; WEAK ZONAL WIND COMPONENT;

CLIMATOLOGY;

ADVECTION; ANTICYCLONE; BAROCLINIC INSTABILITY; COLD FRONT; FRONTOGENESIS; GEOSTROPHIC FLOW; OROGRAPHIC EFFECT; PRESSURE GRADIENT; SUBTROPICAL REGION; SYNOPTIC METEOROLOGY; ZONAL WIND;

ANDES; PACIFIC OCEAN; SOUTH AMERICA;

EID: 33845386447     PISSN: 00270644     EISSN: None     Source Type: Journal    
DOI: 10.1175/MWR3247.1     Document Type: Article

References (39)

1. Betts, A. K., and M. J. Miller, 1986: A new convective adjustment scheme. Part II: Single column test using GATE wave, BOMEX, and arctic air-masses data sets. Quart. J. Roy. Meteor. Soc., 112, 1306-1335.
2. Black, T. L., 1994: The new NMC mesoscale Eta Model: Description and forecast examples. Wea. Forecasting, 9, 256-278.
3. Bluestein, H. B., 1993: Observations and Theory of Weather Systems. Vol. II, Synoptic-Dynamic Meteorology in Midlatitudes, Oxford University Press, 953 pp.
4. Chen, F., and Coauthors, 1996: Modeling of land surface evaporation by four schemes and comparison with FIFE observations. J. Geophys. Res., 101, 7251-7268.
5. Colle, B. A., and C. F. Mass, 1995: The structure and evolution of cold surges east of the Rocky Mountains. Mon. Wea. Rev., 123, 2577-2610.
6. Dallavalle, J. P., and L. F. Bosart, 1975: A synoptic investigation of anticyclogenesis accompanying North American polar air outbreaks. Mon. Wea. Rev., 103, 941-957.
7. Fels, S. B., and M. D. Schwarzkopf, 1975: The simplified exchange approximation: A new method for radiative transfer calculations. J. Atmos. Sci., 32, 1475-1488.
8. Fortune, M. A., and V. E. Kousky, 1983: Two severe freezes in Brazil: Precursors and synoptic evolution. Mon. Wea. Rev., 111, 181-196.
9. Gan, M. A., and V. B. Rao, 1994: The influence of the Andes Cordillera on transient disturbances. Mon. Wea. Rev., 122, 1141-1157.
10. Garreaud, R. D., 1999: Cold air incursions over subtropical and tropical South America. A numerical case study. Mon. Wea. Rev., 127, 2823-2853.
11. Garreaud, R. D., 2000: Cold air incursions over subtropical South America: Mean structure and dynamics. Mon. Wea. Rev., 128, 2544-2559.
12. Garreaud, R. D., and J. Rutllant, 2003: Coastal lows along the subtropical west coast of South America: Numerical simulation of a typical case. Mon. Wea. Rev., 131, 891-908.
13. Garreaud, R. D., J. Rutllant, and H. Fuenzalida, 2002: Coastal lows along the subtropical west coast of South America: Mean structure and evolution. Mon. Wea. Rev., 130, 75-88.
14. Gill, A. E., 1982: Atmosphere-Ocean Dynamics. International Geophysics Series, Vol. 30, Academic Press, 662 pp.
15. Hamilton, G. M., and R. J. Tarifa, 1978: Synoptic aspects of a polar outbreak leading to frost in tropical Brazil, July 1972. Mon. Wea. Rev., 106, 1545-1556.
16. Janjić, Z. I., 1979: Forward-backward scheme modified to prevent two-grid-interval noise and its application in sigma coordinate models. Contrib. Atmos. Phys., 52, 69-84.
17. Janjić, Z. I., 1994: The step-mountain eta coordinate model: Further developments of the convection viscous sublayer and turbulence closure schemes. Mon. Wea. Rev., 122, 927-945.
18. Konrad, Ch. E., and S. J. Colucci, 1989: An examination of extreme cold air outbreaks over eastern North America. Mon. Wea. Rev., 117, 2687-2700.
19. Lacis, A. A., and J. E. Hansen, 1974: A parameterization of the absorption of solar radiation in the earth's atmosphere. J. Atmos. Sci., 31, 118-133.
20. Marengo, J., A. Cornejo, P. Satyamurty, C. Nobre, and W. Sea, 1997: Cold surges in tropical and extratropical South America: The strong event in June 1994. Mon. Wea. Rev., 125, 2759-2786.
21. Mass, C. F., and M. D. Albright, 1987: Coastal southerlies and alongshore surges of the west coast of North America: Evidences of mesoscale topographically trapped response to synoptic forcing. Mon. Wea. Rev., 115, 1707-1738.
22. McInnes, K. L., and J. L. McBride, 1993: Australian southerly busters. Part I: Analysis of a numerically simulated case study. Mon. Wea. Rev., 121, 1904-1920.
23. Mesinger, F., 1984: A blocking technique for representation of mountains in atmospheric models. Riv. Meteor. Aeronaut., 44, 195-202.
24. Mesinger, F., and T. L. Black, 1992: On the impact on forecast accuracy of the step-mountain (eta) vs. sigma coordinate. Meteor. Atmos. Phys., 50, 47-60.
25. Muñoz, R., and R. Garreaud, 2005: Dynamics of the low-level jet off the subtropical west coast of South America. Mon. Wea. Rev., 133, 3661-3677.
26. Norte, F. A., 1988: Características del viento Zonda en la Región de Cuyo (Characteristics of the zonda wind in the Cuyo region). Ph.D. thesis, Ciudad University, Buenos Aires, Argentina, 224 pp.
27. Nuss, W., and Coauthors, 2000: Coastally trapped wind reversals: Progress toward understanding. Bull. Amer. Meteor. Soc., 81, 719-743.
28. Ogaz, P., and H. Fuenzalida, 1981: Acerca de un paso frontal y sus manifestaciones en el litoral árido del norte de Chile. Tralka, 2, 19-38.
29. Reason, C., and R. M. Jury, 1990: On the generation and propagation of the southern Africa coastal lows. Quart. J. Roy. Meteor. Soc., 116, 1133-1151.
30. Rutllant, J., and R. Garreaud, 2004: Episodes of strong flow down the western slope of the subtropical Andes. Mon. Wea. Rev., 132, 611-622.
31. Satyamurty, P., R. Pinheiro Dos Santos, and M. A. Maringolo Lemes, 1980: On the stationary trough generated by the Andes. Mon. Wea. Rev., 108, 510-520.
32. Schultz, D. M., W. E. Bracken, L. F. Bosart, G. J. Hakim, M. A. Bedrick, M. J. Dickinson, and K. R. Tyle, 1997: The 1993 Superstorm cold surge: Frontal structure, gap flow, and tropical impact. Mon. Wea. Rev., 125, 5-39.
33. Seluchi, M. E., and J. A. Marengo, 2000: Tropical-midlatitude exchange of air masses during summer and winter in South America: Climatic aspects and examples of intense events. Int. J. Climatol., 20, 1167-1190.
34. Seluchi, M. E., and S. C. Chou, 2001: Evaluation of two Eta Model versions for weather forecast over South America. Geofis. Int., 40, 219-237.
35. Seluchi, M. E., V. Y. Serafini, and H. Le Treut, 1998: The impact of the Andes on transient atmospheric systems: A comparison between observations and GCM results. Mon. Wea. Rev., 126, 895-912.
36. Seluchi, M. E., F. A. Norte, P. Satyamurty, and S. C. Chou, 2003a: Analysis of three situations of the foehn effect over the Andes (zonda wind) using the Eta-CPTEC regional model. Wea. Forecasting, 18, 481-501.
37. Seluchi, M. E., A. C. Saulo, M. Nicolini, and P. Satyamurty, 2003b: The northwestern Argentinean low: A study of two typical events. Mon. Wea. Rev., 131, 2361-2378.
38. Vera, C. S., and P. Vigliarolo, 2000: A diagnostic study of cold-air outbreaks over South America. Mon. Wea. Rev., 128, 3-24.
39. Zhao, Q., and F. H. Carr, 1997: A prognostic cloud scheme for operational NWP models. Mon. Wea. Rev., 125, 1931-1953.