We would like to thank Greg McFarquhar and Andy Heymsfield for providing the CEPEX data and for discussion on the ice parameterization. Personal review of the manuscript by Andy Heymsfield and Jim Hack are gratefully acknowledged. Comments by Steve Krueger and two reviewers greatly improved the presentation of results. This work was supported by NSF Grant ATM-9525857 and is part of the NCAR Clouds in Climate Program.
Anderson, S. P., R. A. Weller, and R. Lukas, 1996: Surface buoyancy forcing and the mixed layer of the western Pacific warm pool: Observations and 1D model results. J. Climate,9, 3056–3085.
Cess, R. D., and Coauthors, 1995: Absorption of solar radiation by clouds: Observations versus models. Science,267, 496–499.
Chin, H.-N., 1994: The impact of the ice phase and radiation on a midlatitude squall line system. J. Atmos. Sci.,51, 3320–3343.
Chou, M.-D., 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.
Clark T. L., W. D. Hall, and J. L. Coen, 1996: Source code documentation for the Clark-Hall cloud-scale model: Code version G3CH01. NCAR Tech. Note NCAR/TN-426+STR, 137 pp. [Available from NCAR Information Service, P. O. Box 3000, Boulder, CO 80307.].
Collins, W. D., A. Bucholtz, and F. P. J. Valero, 1997: Derivation of top-of-atmosphere fluxes from geostationary satellites using high-altitude aircraft measurements: Results from COARE and CEPEX. Preprints, Ninth Conf. on Atmospheric Radiation, Long Beach, CA, Amer. Meteor. Soc., 198–202.
Cotton, W. R., M. A. Stephens, T. Nehrkorn, and G. J. Tripoli, 1982:The Colorado State University three-dimensional cloud-mesoscale model-1982. Part II: An ice-phase parameterization. J. Rech. Atmos.,16, 295–320.
Dudhia, J., 1989: Numerical study of convection observed during the Winter Monsoon Experiment using a mesoscale two-dimensional model. J. Atmos. Sci.,46, 3077–3107.
Fairall, C. W., E. F. Bradley, D. P. Rogers, J. B. Edson, and G. S. Young, 1996: Bulk parameterization of air-sea fluxes for Tropical Ocean-Global Atmosphere Coupled Ocean–Atmosphere Response Experiment. J. Geophys. Res.,101, 3747–3764.
Ferrier, B. S., 1994: A double-moment multiple-phase four-class bulk ice scheme. Part I: Description. J. Atmos. Sci.,51, 249–280.
——, W.-K. Tao, and J. Simpson, 1995: A double-moment multiple-phase four-class bulk ice scheme. Part II: Simulations of convective storms in different large-scale environments and comparisons with other bulk parameterizations. J. Atmos. Sci.,52, 1001–1033.
Fovell, R. G., and Y. Ogura, 1988: Numerical simulation of a midlatitude squall line in two dimensions. J. Atmos. Sci.,45, 3846–3879.
Fowler, L. D., D. A. Randall, and S. A. Rutledge, 1996: Liquid and ice cloud microphysics in the CSU general circulation model. Part I: Model description and simulated microphysical processes. J. Climate,9, 489–529.
Fu, Q., S. K. Krueger, and K. N. Liou, 1995: Interaction of radiation and convection in simulated tropical cloud clusters. J. Atmos. Sci.,52, 1310–1328.
Gage, K. S., C. R. Williams, and W. L. Ecklund, 1994: UHF wind profilers: A new tool for diagnosing tropical convective cloud systems. Bull. Amer. Meteor. Soc.,75, 2289–2294.
GCSS Science Team, 1993: The GEWEX Cloud System Study. Bull. Amer. Meteor. Soc.,74, 387–400.
Grabowski, W. W., X. Wu, and M. W. Moncrieff, 1996: Cloud resolving modeling of tropical cloud systems during Phase III of GATE. Part I: Two-dimensional experiments. J. Atmos. Sci.,53, 3684–3709.
——, ——, and ——, 1999: Cloud resolving modeling of tropical cloud systems during Phase III of GATE. Part III: Effects of cloud microphysics. J. Atmos. Sci.,56, 2384–2402.
Heymsfield, A. J., and L. J. Donner, 1990: A scheme for parameterizing ice-cloud water content in general circulation models. J. Atmos. Sci.,47, 1865–1877.
Holtslag, A. A. M., and C.-H. Moeng, 1991: Eddy diffusivity and countergradient transport in the convective atmospheric boundary layer. J. Atmos. Sci.,48, 1690–1698.
Hong, S.-Y., and H.-L. Pan, 1996: Nonlocal boundary layer vertical diffusion in a medium-range forecast model. Mon. Wea. Rev.,124, 2322–2339.
Kessler, E., 1969: On the distribution and continuity of water substance in atmospheric circulations. Meteor. Monogr., No. 32, Amer. Meteor. Soc., 84 pp.
Kiehl, J. T., 1994: On the observed near cancellation between longwave and shortwave cloud forcing in tropical regions. J. Climate,7, 559–565.
——, and V. Ramanathan, 1990: Comparison of cloud forcing derived from the Earth Radiation Budget Experiment with that simulated by the NCAR Community Climate Model. J. Geophys. Res.,95, 11 679–11 698.
——, J. J. Hack, and B. P. Briegleb, 1994: The simulated Earth radiation budget of the National Center for Atmospheric Research community climate model CCM2 and comparisons with the Earth Radiation Budget Experiment (ERBE). J. Geophys. Res.,99, 20 815–20 827.
——, ——, M. H. Zhang, and R. D. Cess, 1995: Sensitivity of a GCM climate to enhanced shortwave cloud absorption. J. Climate,8, 2200–2212.
——, J. J. Hack, G. B. Bonan, B. B. Boville, D. L. Williamson, and P. J. Rasch, 1998: The National Center for Atmospheric Research Community Climate Model: CCM3. J. Climate,11, 1131–1149.
Koenig, L. R., and F. W. Murray, 1976: Ice-bearing cumulus clouds evolution: Numerical simulation and general comparison against observations. J. Appl. Meteor.,15, 747–762.
Krueger, S. K., 1996: A GCSS intercomparison of cloud-resolving models based on TOGA COARE observations. Proc. Workshop on New Insights and Approaches to Convective Parameterization, Reading, United Kingdom, ECMWF, 113–127.
——, Q. Fu, K. N. Liou, and H.-N. Chin, 1995: Improvments of an ice-phase microphysics parameterization for use in numerical simulations of tropical convection. J. Appl. Meteor.,34, 281–287.
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.
Lin, Y.-L., R. D. Farley, and H. D. Orville, 1983: Bulk parameterization of the snow field in a cloud model. J. Climate Appl. Meteor.,22, 1065–1092.
Liu, C.-H., M. W. Moncrieff, and E. J. Zipser, 1997: Dynamical influence of microphysics in tropical squall line: A numerical study. Mon. Wea. Rev.,125, 2193–2210.
McCumber, M., W.-K. Tao, J. Simpson, R. Penc, and S.-T. Soong, 1991: Comparison of ice-phase microphysical parameterization schemes using numerical simulations of convection. J. Appl. Meteor.,30, 985–1004.
McFarquhar, G. M., and A. J. Heymsfield, 1996: Microphysical characteristics of three cirrus anvils sampled during the Central Equatorial Pacific Experiment. J. Atmos. Sci.,53, 2401–2423.
Minnis, P., and E. F. Harrison, 1984: Diurnal variability of regional cloud and clear-sky radiative parameters derived from GOES data. Part III: November 1978 radiative parameters. J. Climate Appl. Meteor.,23, 1032–1051.
Moncrieff, M. W., S. K. Krueger, D. Gregory, J.-L. Redelsperger, and W.-K. Tao, 1997: GEWEX Cloud System Study (GCSS) Working Group 4: Precipitating convective cloud systems. Bull. Amer. Meteor. Soc.,78, 831–845.
Nicholls, M. E., 1987: A comparison of the results of a two-dimensional numerical simulation of a tropical squall line with observations. Mon. Wea. Rev.,115, 3055–3077.
Ramanathan, V., E. J. Pitcher, R. C. Malone, and M. L. Blackmon, 1983: The response of a spectral general circulation model to refinements in radiative processes. J. Atmos. Sci.,40, 605–630.
Rutledge, S. A., and P. V. Hobbs, 1983: The mesoscale and microscale structure and organization of clouds and precipitation in midlatitude cyclones. Part VIII: A model for the “seeder-feeder” process in warm-frontal rainbands. J. Atmos. Sci.,40, 1185–1206.
Slingo, J. M., 1987: The development and verification of a cloud prediction scheme for the ECMWF model. Quart. J. Roy. Meteor. Soc.,113, 899–927.
Smagorinsky, J., 1963: General circulation experiments with the primitive equations. I. The basic experiment. Mon. Wea. Rev.,91, 99–164.
Tao, W.-K., and J. Simpson, 1989: Modeling study of a tropical squall-type convective line. J. Atmos. Sci.,46, 177–202.
——, J. Scala, B. S. Ferrier, and J. Simpson, 1995: The effects of melting processes on the development of a tropical and a midlatitude squall line. J. Atmos. Sci.,52, 1934–1948.
Troen, I., and L. Mahrt, 1986: A simple model of the atmospheric boundary layer: Sensitivity to surface evaporation. Bound.-Layer Meteor.,37, 129–148.
Waliser, D. E., W. D. Collins, and S. P. Anderson, 1996: An estimate of the surface shortwave cloud forcing over the western Pacific during TOGA COARE. Geophys. Res. Lett.,23, 519–522.
Webster, P. J., C. A. Clayson, and J. A. Curry, 1996: Clouds, radiation, and the diurnal cycle of sea surface temperature in the tropical western Pacific. J. Climate,9, 1712–1730.
Weller, R. A., and S. P. Anderson, 1996: Surface meteorology and air–sea fluxes in the western equatorial Pacific warm pool during the TOGA Coupled Ocean–Atmosphere Response Experiment. J. Climate,9, 1959–1990.
Williams, S. F., 1993: Central Equatorial Pacific Experiment (CEPEX) operations summary. UCAR Office of Field Project Support, 321 pp. [Available from UCAR Office of Field Project Support, P.O. Box 3000, Boulder, CO 80307.].
Wu, X., and M. W. Moncrieff, 1996: Collective effects of organized convection and their approximation in general circulation models. J. Atmos. Sci.,53, 1477–1495.
——, W. W. Grabowski, and M. W. Moncrieff, 1998: Long-term behavior of cloud systems in TOGA COARE and their interactions with radiative and surface processes. Part I: Two-dimensional modeling study. J. Atmos. Sci.,55, 2693–2714.
Yoshizaki, M., 1986: Numerical simulations of tropical squall-line clusters: Two-dimensional model. J. Meteor. Soc. Japan,64, 469–491.
Zhang, Y.-C., W. B. Rossow, and A. A. Lacis, 1995: Calculation of surface and top of atmosphere radiative fluxes from physical quantities based on ISCCP datasets, 1. Method and sensitivity to input data uncertainties. J. Geophys. Res.,100, 1149–1165.