Abstract
Abstract The kinematic and dynamical properties of the convective planetary boundary layer (CBL) with shear are studied using single Doppler radar measurements. The data were collected using single K-band (0.87 cm) Doppler radar operated by the National Oceanic and Atmospheric Administration Wave Propagation Laboratory. An analysis technique has been developed and tested that is an extension of the velocity azimuth display (VAD). The technique and its associated error analysis are described in detail. Profiles of the mean wind, vertical velocity, associated momentum fluxes, and variances are estimated. In agreement with the classical picture of the CBL, the profile of the vertical velocity variance achieves a relative maximum magnitude in the lower part of the mixed layer. Large magnitudes of vertical flux of horizontal momentum are found at the top of the mixed layer, while countergradient momentum fluxes are found in part of the CBL. The second moment of the Doppler spectrum is utilized, so that the mom...
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