Convectively coupled waves in a sheared environment

Journal of the Atmospheric Sciences

Volumn 67, Issue 9, 2010, Pages 2913-2942

  Han, Ying ^a,b   Khouider, Boualem ^a  

^a UNIVERSITY OF VICTORIA   (Canada)

^b NATIONAL SATELLITE METEOROLOGICAL CENTER   (China)

Author keywords

Convection; Convergence divergence; Inertiandashgravity waves; Kelvin waves; Shear structure flows; Tropics

Indexed keywords

CONVECTION; CONVERGENCE//DIVERGENCE; INERTIANDASHGRAVITY WAVES; KELVIN WAVES; SHEAR STRUCTURE/FLOWS;

COASTAL ZONES; GRAVITY WAVES; HEATING; LINEAR STABILITY ANALYSIS; OCEAN CURRENTS; SHEAR STRENGTH; TROPICS;

SHEAR FLOW;

ATMOSPHERIC CONVECTION; ATMOSPHERIC MOISTURE; ATMOSPHERIC STRUCTURE; ATMOSPHERIC WAVE; GRAVITY WAVE; GROWTH RATE; KELVIN WAVE; ROSSBY WAVE; SHEAR FLOW; STABILITY ANALYSIS; TROPICAL METEOROLOGY; WESTERLY; WIND SHEAR;

EID: 77958587987     PISSN: 00224928     EISSN: None     Source Type: Journal    
DOI: 10.1175/2010JAS3335.1     Document Type: Article

References (61)

1. Biello, J., and A. J. Majda, 2003: The effect of meridional and vertical shear on the interaction of equatorial baroclinic and barotropic Rossby waves. Stud. Appl. Math., 112, 341-390.
2. Biello, J., and A. J. Majda, 2005: A new multi-scale model for the Madden-Julian oscillation. J. Atmos. Sci., 62, 1694-1721.
3. Bond, N., and G. Vecchi, 2003: The influence of the Madden-Julian oscillation on precipitation in Oregon and Washington. Wea. Forecasting, 18, 600-613.
4. Dias, J., and O. Pauluis, 2009: Convectively coupled waves propagating along an equatorial ITCZ. J. Atmos. Sci., 66, 2237-2255.
5. Dunkerton, T. J., and F. X. Crum, 1995: Eastward propagating 2- to 15-day equatorial convection and its relation to the tropical intraseasonal oscillation. J. Geophys. Res., 100, 25 781-25 790.
6. Ferguson, J., B. Khouider, and M. Namazi, 2009: Two-way interactions between equatorially trapped waves and the barotropic flow. Chin. Ann. Math., 30B, 539-568.
7. Frierson, D. M., A. J. Majda, and O. Pauluis, 2004: Large scale dynamics of precipitation fronts in the tropical atmosphere: A novel relaxation limit. Commun. Math. Sci., 2, 591-626.
8. Fuchs, Z., and D. J. Raymond, 2002: Large-scale modes of a nonrotating atmosphere with water vapor and cloud-radiation feedbacks. J. Atmos. Sci., 59, 1669-1679.
9. Gill, A., 1980: Some simple solutions for heat-induced tropical circulations. Quart. J. Roy. Meteor. Soc., 106, 447-462.
10. Haertel, P. T., and R. H. Johnson, 1998: Two-day disturbances in the equatorial western Pacific. Quart. J. Roy. Meteor. Soc., 124, 615-636.
11. Haertel, P. T., and G. N. Kiladis, 2004: Dynamics of 2-day equatorial waves. J. Atmos. Sci., 61, 2707-2721.
12. Haertel, P. T., G. N. Kiladis, A. Denno, and T. M. Rickenbach, 2009: Vertical-mode decompositions of 2-day waves and the Madden-Julian oscillation. J. Atmos. Sci., 65, 813-833.
13. Hendon, H. H., and B. Liebmann, 1994: Organization of convection within the Madden-Julian oscillation. J. Geophys. Res., 99, 8073-8083.
14. Jones, C., D. Waliser, K. Lau, and W. Stern, 2004: The Madden-Julian oscillation and its impact on Northern Hemisphere weather predictability. Mon. Wea. Rev., 132, 1462-1471.
15. Kasahara, A., and P. Silva Dias, 1986: Response of planetary waves to stationary tropical heating in a global atmosphere with meridional and vertical shear. J. Atmos. Sci., 43, 1893-1911.
16. Khouider, B., and A. J. Majda, 2005: A non-oscillatory balanced scheme for an idealized tropical climate model. Part II: Nonlinear coupling and moisture effects. Theor. Comput. Fluid Dyn., 19, 355-375.
17. Khouider, B., and A. J. Majda, 2006: A simple multicloud parameterization for convectively coupled tropical waves. Part I: Linear analysis. J. Atmos. Sci., 63, 1308-1323.
18. Khouider, B., and A. J. Majda, 2008a: Multicloud models for organized tropical convection: Enhanced congestus heating. J. Atmos. Sci., 65, 895-914.
19. Khouider, B., and A. J. Majda, 2008b: Equatorial convectively coupled waves in a simple multicloud model. J. Atmos. Sci., 65, 3376-3397.
20. Kiladis, G. N., K. Straub, and P. Haertel, 2005: Zonal and vertical structure of the Madden-Julian oscillation. J. Atmos. Sci., 62, 2790-2809.
21. Kiladis, G. N.,M. C. Wheeler, P. T. Haertel, K. H. Straub, and P. E. Roundy, 2009: Convectively coupled equatorial waves. Rev. Geophys., 47, RG2003, doi:10.1029/2008RG000266.
22. Lin, J.-L., and B.Mapes, 2004: Wind shear effects on cloud-radiation feedback in theWestern Pacific warm pool. Geophys. Res. Lett., 31, L16118, doi:10.1029/2004GL020199.
23. Lin, J.-L., and Coauthors, 2006: Tropical intraseasonal variability in 14 IPCC AR4 climate models. Part I: Convective signals. J. Climate, 19, 2665-2690.
24. Lin, J.-L., M.-I. Lee, D. Kim, I.-S. Kang, and D. M. Frierson, 2008: The impacts of convective parametrization and moisture triggering on AGCM-simulated convectively coupled equatorial waves. J. Climate, 21, 883-909.
25. Lin, X., and R. H. Johnson, 1996: Kinematic and thermodynamic characteristics of the flow over the western Pacific warm pool during TOGA COARE. J. Atmos. Sci., 53, 695-715.
26. Liu, P., and Coauthors, 2009: Tropical intraseasonal variability in the MRI-20 km 60L AGCM. J. Climate, 22, 2006-2022.
27. Madden, R., and P. Julian, 1972: Description of global-scale circulation cells in the tropics with a 40-50 day period. J. Atmos. Sci., 29, 1109-1123.
28. Majda, A., 2003: Introduction to PDEs and Waves for the Atmosphere and Ocean. American Mathematical Society, 234 pp.
29. Majda, A., and B. Khouider, 2001: A numerical strategy for efficient modeling of the equatorial wave guide. Proc. Natl. Acad. Sci. USA, 98, 1341-1346.
30. Majda, A., and S. N. Stechmann, 2009: A simple dynamical model with features of convective momentum transport. J. Atmos. Sci., 66, 373-392.
31. Majda, A., B. Khouider, G. N. Kiladis, K. H. Straub, and M. G. Shefter, 2004: A model for convectively coupled tropical waves: Nonlinearity, rotation, and comparison with observations. J. Atmos. Sci., 61, 2188-2205.
32. Matsuno, T., 1966: Quasi-geostrophic motions in the equatorial area. J. Meteor. Soc. Japan, 44, 25-42.
33. Nakazawa, T., 1988: Tropical super clusters within intraseasonal variation over the western Pacific. J. Meteor. Soc. Japan, 66, 823-839.
34. Neelin, J. D., and J. Y. Yu, 1994: Modes of tropical variability under convective adjustment and the Madden-Julian oscillation. Part I: Analytical theory. J. Atmos. Sci., 51, 1876-1894.
35. Pauluis, O. M., D. M. Frierson, and A. J. Majda, 2008: Precipitation fronts and the reflection and transmission of tropical disturbances. Quart. J. Roy. Meteor. Soc., 134, 913-930.
36. Robe, F. R., and K. A. Emanuel, 2001: The effect of vertical wind shear on radiative-convective equilibrium states. J. Atmos. Sci., 58, 1427-1445.
37. Roundy, P., 2008: Analysis of convectively coupled Kelvin waves in the Indian Ocean MJO. J. Atmos. Sci., 65, 1342-1359.
38. Shige, S., and T. Satomura, 2001: Westward generation of eastward-moving tropical convective bands in TOGA COARE. J. Atmos. Sci., 58, 3724-3740.
39. Sobel, A. H., J. Nilsson, and L. M. Polvani, 2001: The weak temperature gradient approximation and balanced tropical moisture waves. J. Atmos. Sci., 58, 3650-3665.
40. Stechmann, S. N., and A. J. Majda, 2006: The structure of precipitation fronts for finite relaxation time. Theor. Comput. Fluid Dyn., 20, 377-404.
41. Stechmann, S. N., and A. J. Majda, 2009: Gravity waves in shear and implications for organized convection. J. Atmos. Sci., 66, 2579-2599.
42. Stechmann, S. N., A. J. Majda, andB.Khouider, 2008: Nonlinear dynamics of hydrostatic internal gravity waves. Theor. Comput. Fluid Dyn., 22, 407-432.
43. Straub, K. H., and G. N. Kiladis, 2002: Observations of a convectively coupled Kelvin wave in the eastern Pacific ITCZ. J. Atmos. Sci., 59, 30-53.
44. Straub, K. H., G. N. Kiladis, and P. E. Ciesielski, 2006: The role of equatorial waves in the onset of the South China Sea summer monsoon and the demise of El Niño during 1998. Dyn. Atmos. Oceans, 42, 216-238.
45. Sugiyama, M., 2009: The moisture mode in the quasi-equilibrium tropical circulation model. Part I: Analysis based on the weak temperature gradient approximation. J. Atmos. Sci., 66, 1507-1523.
46. Takayabu, Y. N., 1994a: Large-scale cloud disturbances associated with equatorial waves. Part I: Spectral features of the cloud disturbances. J. Meteor. Soc. Japan, 72, 433-448.
47. Takayabu, Y. N., 1994b: Large-scale cloud disturbances associated with equatorial waves. Part II: Westward propagating inertio-gravity waves. J. Meteor. Soc. Japan, 72, 451-465.
48. Takayabu, Y. N., S. Shige, W.-K. Tao, and N. Hirota, 2010: Shallow and deep latent heating modes over tropical oceans observed with TRMMPR spectral latent heating data. J. Climate, 23, 2030-2046.
49. Tulich, S. N., and B. E. Mapes, 2008: Multiscale convective wave disturbances in the tropics: Insights from a two-dimensional cloud-resolving model. J. Atmos. Sci., 65, 140-155.
50. Waite, M. L., and B. Khouider, 2009: Boundary layer dynamics in a simple model for convectively coupled gravity waves. J. Atmos. Sci., 66, 2780-2795.
51. Wang, B., and X. Xie, 1996: Low-frequency equatorial waves in vertically sheared zonal flow. Part I: Stable waves. J. Atmos. Sci., 53, 449-467.
52. Webster, P. J., 1972: Response of the tropical atmosphere to local steady forcing. Mon. Wea. Rev., 100, 518-540.
53. Webster, P. J., and J. R. Holton, 1982: Cross-equatorial response to middle-latitude forcing in a zonally varying basic state. J. Atmos. Sci., 39, 722-733.
54. Webster, P. J., and H.-R. Chang, 1988: Energy accumulation and emanation region at low latitudes: Impacts of a zonally varying basic state. J. Atmos. Sci., 39, 803-829.
55. Wheeler, M., and G. N. Kiladis, 1999: Convectively coupled equatorial waves: Analysis of clouds and temperature in the wavenumber-frequency domain. J. Atmos. Sci., 56, 374-399.
56. Wheeler, M., G. N. Kiladis, and P. J. Webster, 2000: Large-scale dynamical fields associated with convectively coupled equatorial waves. J. Atmos. Sci., 57, 613-640.
57. Xie, X., and B. Wang, 1996: Low-frequency equatorial waves in vertically sheared zonal flow. Part II:Unstable waves. J. Atmos. Sci., 53, 3589-3605.
58. Yang, G. Y., B. Hoskins, and J. Slingo, 2003: Convectively coupled equatorial waves: A new methodology for identifying wave structures in observational data. J. Atmos. Sci., 60, 1637-1654.
59. Yang, G. Y., B. Hoskins, and J. Slingo, 2007: Convectively coupled equatorial waves. Part III: Synthesis structure and their forcing and evolution. J. Atmos. Sci., 64, 3438-3451.
60. Zhang, C., 2005: Madden-Julian oscillation. Rev. Geophys., 43, RG2003, doi:10.1029/2004RG000158.
61. Zhang, C., and P. Webster, 1989: Effects of zonal flows on equatorially trapped waves. J. Atmos. Sci., 46, 3632-3652.