The authors thank the reviewers of this manuscript for their thoughtful comments and suggestions. This work was supported by NSF CAREER Award ATM02-38527. The HYSPLIT model was developed by the National Oceanic and Atmospheric Administrations (NOAA) Air Resources Laboratory (ARL). MODIS data were obtained from the Level 1 and Atmosphere Archive and Distributions System (LAADS) Web site, which is operated by the NASA Goddard Space Flight Center. CERES data were obtained from the Atmospheric Science Data Center at the NASA Langley Research Center. SSM/I data were obtained from Remote Sensing Systems, which is sponsored by the NASA Earth Science REASoN DISCOVER Project. The QuikSCAT level 2B data were obtained from the Physical Oceanography Distributed Active Archive Center (PODAAC) at the NASA Jet Propulsion Laboratory, Pasadena, California. ECMWF data were obtained from the CISL Data Support Section at the National Center for Atmospheric Research, Boulder, Colorado.
Albrecht, B., , C. Bretherton, , D. Johnson, , W. Scubert, , and A. Frisch, 1995: The Atlantic Stratocumulus Transition Experiment: ASTEX. Bull. Amer. Meteor. Soc., 76 , 889–904.
Bretherton, C. S., , and M. C. Wyant, 1997: Moisture transport, lower-tropospheric stability, and decoupling of cloud-topped boundary layers. J. Atmos. Sci., 54 , 148–167.
Bretherton, C. S., , E. Klinker, , A. K. Betts, , and J. A. Coakley Jr., 1995: Comparison of ceilometer, satellite, and synoptic measurements of boundary-layer cloudiness and the ECMWF diagnostic cloud parameterization scheme during ASTEX. J. Atmos. Sci., 52 , 2736–2751.
Draxler, R., , and G. Rolph, cited. 2003: HYSPLIT (Hybrid Single-Particle Lagrangian Integrated Trajectory) model access. NOAA ARL READY. [Available online at http://www.arl.noaa.gov/ready/hysplit4.html].
ECMWF, cited. 2007: The ECMWF operational analysis and forecasting system. European Centre for Medium-Range Weather Forecasting. [Available online at http://www.ecmwf.int/products/data/operational_system/].
Klein, S. A., , D. L. Hartmann, , and J. R. Norris, 1995: On the relationships among low-cloud structure, sea surface temperature, and atmospheric circulation in the summertime northeast Pacific. J. Climate, 8 , 1140–1155.
Lewis, G. M., , P. H. Austin, , and M. Szczodrak, 2004: Spatial statistics of marine boundary layer clouds. J. Geophys. Res., 109 , D04104. doi:10.1029/2003JD003742.
Loukachine, K., , and N. G. Loeb, 2003: Application of an artificial neural network simulation for top-of-atmosphere radiative flux estimation from CERES. J. Atmos. Oceanic Technol., 20 , 1749–1757.
Matheson, M. A., , J. A. Coakley Jr., , and W. R. Tahnk, 2006: Effects of threshold retrievals on estimates of the aerosol indirect radiative forcing. Geophys. Res. Lett., 33 , L07705. doi:10.1029/2005GL025614.
Mauger, G. S., 2008: Synoptic sensitivities of subtropical clouds: Separating aerosol effects from meteorology. Ph.D. thesis, Scripps Institution of Oceanography, University of California, San Diego, 142 pp. [Available online at http://repositories.cdlib.org/sio/techreport/83/].
Mauger, G. S., , and J. R. Norris, 2007: Meteorological bias in satellite estimates of aerosol-cloud relationships. Geophys. Res. Lett., 34 , L16824. doi:10.1029/2007GL029952.
McNoldy, B. D., , P. E. Ciesielski, , W. H. Schubert, , and R. H. Johnson, 2004: Surface winds, divergence, and vorticity in stratocumulus regions using QuikSCAT and reanalysis winds. Geophys. Res. Lett., 31 , L08105. doi:10.1029/2004GL019768.
Milliff, R., , J. Morzel, , D. Chelton, , and M. Freilich, 2004: Wind stress curl and wind stress divergence biases from rain effects on QSCAT surface wind retrievals. J. Atmos. Oceanic Technol., 21 , 1216–1231.
NCAR, 1990: ECMWF TOGA global advanced operational spectral analysis, daily 1985-cont, updated yearly. National Center for Atmospheric Research CISL Data Support Section Dataset 111.0. [Available online at http://dss.ucar.edu/datasets/ds111.0/].
Norris, J., , and S. Iacobellis, 2005: North Pacific cloud feedbacks inferred from synoptic-scale dynamic and thermodynamic relationships. J. Climate, 18 , 4862–4878.
Pincus, R., , M. Baker, , and C. Bretherton, 1997: What controls stratocumulus radiative properties? Lagrangian observations of cloud evolution. J. Atmos. Sci., 54 , 2215–2236.
Platnick, S., , M. D. King, , S. A. Ackerman, , W. P. Menzel, , B. A. Baum, , J. C. Riedi, , and R. A. Frey, 2003: The MODIS cloud products: Algorithms and examples from Terra. IEEE Trans. Geosci. Remote Sens., 41 , 459–473. doi:10.1109/TGRS.2002.808301.
Rozendaal, M., , and W. Rossow, 2003: Characterizing some of the influences of the general circulation on subtropical marine boundary layer clouds. J. Atmos. Sci., 60 , 711–728.
Schubert, W., , J. Wakefield, , E. Steiner, , and S. Cox, 1979: Marine stratocumulus convection. Part I: Governing equations and horizontally homogeneous solutions. J. Atmos. Sci., 36 , 1286–1307.
Stevens, B., , A. Beljaars, , S. Bordoni, , C. Holloway, , M. Koehler, , S. Krueger, , V. Savic-Jovcic, , and Y. Zhang, 2007: On the structure of the lower troposphere in the summertime stratocumulus regime of the northeast Pacific. Mon. Wea. Rev., 135 , 985–1005.
Stohl, A., , and P. Seibert, 1998: Accuracy of trajectories as determined from the conservation of meteorological tracers. Quart. J. Roy. Meteor. Soc., 124 , 1465–1484.
Stohl, A., , M. Hittenberger, , and G. Wotawa, 1998: Validation of the Lagrangian particle dispersion model FLEXPART against large-scale tracer experiment data. Atmos. Environ., 32 , 4245–4264.
Wielicki, B., , and L. Parker, 1992: On the determination of cloud cover from satellite sensors: The effect of sensor spatial resolution. J. Geophys. Res., 97 , 12799–12823.
Wyant, M., , C. Bretherton, , H. Rand, , and D. Stevens, 1997: Numerical simulations and a conceptual model of the stratocumulus to trade cumulus transition. J. Atmos. Sci., 54 , 168–192.