Algorithms have been developed to calculate the vertical profilesfrom cloud radar reflectivity measurements and microwave radiometermeasurements of integrated liquid water. In addition, the algorithmscalculate the effective radius profiles, and the total number of clouddroplets. When drizzle is present, radar reflectivity, vertical velocityand the spread of the vertical velocity can be used to calculatevertical profiles of liquid water, liquid water flux, effective radius,and droplet number. When there is no drizzle, the authors can use theDoppler capability to profile various vertical velocity turbulenceparameters, such as the vertical velocity spectra, variance, andskewness. All parameters are important in the development of cloudmodels. Data taken during ASTEX (Atlantic Stratocumulus TransitionExperiment) have been used to study the behavior of stratus clouds atPorto Santo Island, Madeira, Portugal
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