Variability of water vapor, infrared radiative cooling, and atmospheric instability for deep convection in the equatorial western pacific

Journal of the Atmospheric Sciences

Volumn 56, Issue 5, 1999, Pages 711-723

  Zhang, Chidong ^a,c   Chou, Ming Dah ^b  

^a UNIVERSITY OF MIAMI   (United States)

^b NASA GODDARD SPACE FLIGHT CENTER   (United States)

^c MP0 ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC RADIATION; ATMOSPHERIC STRUCTURE; ATMOSPHERIC TEMPERATURE; BOUNDARY LAYERS; COOLING; HEAT CONVECTION; HEAT RADIATION; INFRARED RADIATION; MATHEMATICAL MODELS; VAPORS;

CONVECTIVE AVAILABLE POTENTIAL ENERGY (CAPE); RADIATIVE TRANSFER MODEL;

TROPOSPHERE;

EID: 0033098893     PISSN: 00224928     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0469(1999)056<0711:VOWVIR>2.0.CO;2     Document Type: Article

References (41)

1. Ackerman, T. P., K.-N. Liou, F. P. J. Valero, and L. Pfister, 1988: Heating rates in tropical anvils. J. Atmos. Sci., 45, 1606-1623.
2. Arakawa, A., and W. H. Schubert, 1974: Interaction of a cumulus cloud ensemble with the large-scale environment: Part I. J. Atmos. Sci., 31, 674-701.
3. Brown, R. G., and C. Zhang, 1997: Variability of midtropospheric moisture and its effect on cloud-top height distribution during TOGA COARE. J. Atmos. Sci., 54, 2760-2774.
4. Chen, S. S., R. A. Houze, and B. E. Mapes, 1996: Multiscale variability of deep convection in relation to large-scale circulation in TOGA COARE. J. Atmos. Sci., 53, 1380-1409.
5. Chou, M.-D., and M. J. Suarez, 1994: An efficient thermal infrared radiation parameterization for use in general circulation models. NASA Tech. Memo. 104606, Vol. 3, 85 pp.
6. _, and W. Zhao, 1997: Estimation and model validation of surface solar radiation and cloud radiative forcing using TOGA COARE measurements. J. Climate, 10, 610-620.
7. Cole, H., 1993: The TOGA COARE ISS radiosonde temperature and humidity sensor errors. NCAR Tech. Rep., 28 pp. [Available from Surface and Sounding System Facility, NCAR, Boulder, CO 80303.]
8. Cox, S. K., and K. T. Griffith, 1979: Estimates of radiative divergence during phase III of the GARP Atlantic Tropical Experiment: Part II. Analysis of Phase III results. J. Atmos. Sci., 36, 586-601.
9. Dharssi, I., R. Kershaw, and W. K. Tao, 1997: Sensitivity of a simulated tropical squall line to long-wave radiation. Quart. J. Roy. Meteor. Soc., 123, 187-206.
10. Doherty, G. M., and R. E. Newell, 1984: Radiative effects of changing atmospheric water vapour. Tellus, 36B, 149-162.
11. Emanuel, K. A., 1994: Atmospheric Convection. Oxford University Press, 580 pp.
12. Fitzjarrald, D. R., and M. Garstang, 1981: Vertical structure of the tropical boundary layer. Mon. Wea. Rev., 109, 1512-1526.
13. Guan, H., R. Davies, and M. K. Yau, 1995: Longwave radiative cooling rates in axially symmetric clouds. J. Geophys. Res., 100 (D2), 3213-3220.
14. Gutzler, D. S., 1993: Uncertainties in climatological tropical humidity profiles: Some implications for estimating the greenhouse effect. J. Climate, 6, 978-982.
15. Hu, Q., and D. A. Randall, 1994: Low-frequency oscillations in radiative-convective systems. J. Atmos. Sci., 51, 1089-1099.
16. Kain, J. S., and J. M. Fritsch, 1990: A one-dimensional entraining/ detraining plume model and its application in convective parameterization. J. Atmos. Sci., 47, 2784-2802.
17. Lin, X., and R. H. Johnson, 1996a: Kinematic and thermodynamic characteristics of the flow over the western Pacific warm pool during TOGA COARE. J. Atmos. Sci., 53, 695-715.
18. _, and _, 1996b: Heating, moistening, and rainfall over the western Pacific warm pool during TOGA COARE. J. Atmos. Sci., 53, 3367-3383.
19. Lucas, C., 1997: Environmental effects on mesoscale convective systems. Proc. 22d Conf. on Hurricanes and Tropical Meteorology, Fort Collins, CO, Amer. Meteor. Soc., 162-163.
20. Madden, R. A., and P. R. Julian, 1971: Description of a 40-50 day oscillation in the zonal wind in the tropical Pacific. J. Atmos. Sci., 28, 702-708.
21. _, and _, 1972: Description of global-scale circulation cells in the Tropics with a 40-50 day period. J. Atmos. Sci., 29, 1109-1123.
22. Mapes, B. E., and R. A. Houze, 1995: Diabatic divergence profiles in western Pacific mesoscale convective systems. J. Atmos. Sci., 52, 1807-1828.
23. _, and P. Zuidema, 1996: Radiative-dynamical consequences of dry tongues in the tropical troposphere. J. Amos. Sci., 53, 620-638.
24. Mehta, A. V., and E. A. Smith, 1997: Variability of radiative cooling during the Asian summer monsoon and its influence on intraseasonal waves. J. Atmos. Sci., 54, 941-966.
25. McClatchey, R. A., R. W. Fenn, J. E. A. Selby, F. E. Volz, and J. S. Garing, 1972: Optical properties of the atmosphere, 3d ed. AFCRL-72-0497, 108 pp. [NTIS N7318412].
26. Numaguti, A., R. Oki, K. Nakamura, K. Tsuboki, N. Misawa, T. Asai, and Y.-M. Kodama, 1995: 4-5-day-period variation and low-level dry air observed in the equatorial western Pacific during the TOGA COARE IOP. J. Meteor. Soc. Japan, 73, 267-290.
27. Parsons, D., and Coauthors, 1994: The integrated sounding system: Descriptions and preliminary observations from TOGA COARE. Bull. Amer. Meteor. Soc., 75, 553-567.
28. Ramsey, P. G., and D. G. Vincent, 1995: Computation of vertical profiles of longwave radiative cooling over the equatorial Pacific. J. Atmos. Sci., 52, 1555-1572.
29. Randall, D. A., Q. Hu, K.-M. Xu, and S. K. Krueger, 1994: Radiative-convective disequilibrium. Atmos. Res., 31, 315-327.
30. Rogers, C. D., and C. D. Walshaw, 1965: The computation of infrared cooling rate in planetary atmospheres. Quart. J. Roy. Meteor. Soc., 92, 67-92.
31. Sherwood, S., 1995: The maintenance of the tropical water vapor distribution. Ph.D. thesis, University of California, San Diego, 181 pp.
32. Sheu, R.-S., and G. Liu, 1995: Atmospheric humidity variations associated with westerly wind bursts during Tropical Ocean Global Atmosphere (TOGA) Coupled Ocean Atmosphere Response Experiment (COARE). J. Geophys. Res., 100, 25 759-25 768.
33. Spencer, R. W., 1993: Global oceanic precipitation from the MSU during 1979-91 and comparisons to other climatologies. J. Climate, 6, 1301-1326.
34. Stommel, H., 1947: Entrainment of air into a cumulus cloud. J. Meteor., 4, 91-94.
35. Udelhofen, P. M., and D. L. Hartmann, 1995: Influence of tropical cloud systems on the relative humidity in the upper troposphere. J. Geophys. Res., 100, 7423-7440.
36. Väisälä, 1990: HMP 35C humidity and temperature probe. Väisälä, Inc., 9 pp. [Available from Väisälä Inc., 100 Commerce Way, Woburn, MA 01801-1068.]
37. Webster, P. J., and G. L. Stephens, 1980: Tropical upper-tropospheric extended clouds: Inferences from Winter MONEX. J. Atmos. Sci., 37, 1521-1541.
38. _, and R. Lukas, 1992: TOGA COARE: The coupled ocean-atmosphere response experiment. Bull. Amer. Meteor. Soc., 73, 1377-1416.
39. Yanai, M., S. Esbensen, and J.-H. Chu, 1973: Determination of bulk properties of tropical cloud clusters from large-scale heat and moisture budgets. J. Atmos. Sci., 30, 611-627.
40. Zhang, C., and H. H. Hendon, 1997: On propagating and standing components of the intraseasonal oscillation in tropical convection. J. Atmos. Sci., 54, 741-752.
41. Zipser, E. J., 1969: The role of organized unsaturated convective downdrafts in the structure and rapid decay of an equatorial disturbance. J. Appl. Meteor., 8, 799-814.