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RISThe Derivation of Absolute Potential Temperature Perturbations and Pressure Gradients from Wind Measurements in Three-Dimensional Space
Publisher: American Meteorological Society
Abstract: A thermodynamic retrieval scheme has been developed by which one can derive the pressure and potential temperature perturbation fields from wind observations detected by remote sensing devices such as Doppler radar. In ...
Single Radar Recovery of Cross-Beam Wind Components Using a Modified Moving Frame of Reference Technique
Publisher: American Meteorological Society
Abstract: The moving frame of reference technique is modified so that the unobserved cross-beam wind components can be retrieved, with high resolution, from data measured by either single-Doppler or conventional radar. In this ...
An Explanation of the Wind Speed Underestimation Obtained from a Least Squares Type Single-Doppler Radar Velocity Retrieval Method
Publisher: American Meteorological Society
Abstract: The errors produced by a least squares type single-Doppler velocity retrieval scheme based on variational analysis are studied. With proper simplifications of the retrieval formulation, it can be found that the strength ...
An Investigation of the Moving-Frame Single-Doppler Wind Retrieval Technique Using Taiwan Area Mesoscale Experiment Low-Level Data
Publisher: American Meteorological Society
Abstract: The moving-frame single-Doppler radar wind retrieval technique is investigated using field experimental data observed during the 1987 Taiwan Area Mesoscale Experiment intensive observation period 2. Emphasis is placed on ...
A Variational Multiple–Doppler Radar Three-Dimensional Wind Synthesis Method and Its Impacts on Thermodynamic Retrieval
Publisher: American Meteorological Society
Abstract: A multiple?Doppler radar synthesis method is developed to recover the three-dimensional wind field. In this method the solutions are obtained by variationally adjusting the winds to satisfy a series of constraints in weak ...
Removal of the Vertical Structure Ambiguity in the Thermodynamic Retrieval from Multiple-Doppler Radar Synthesized Wind Fields
Publisher: American Meteorological Society
An Application of the Immersed Boundary Method for Recovering the Three-Dimensional Wind Fields over Complex Terrain Using Multiple-Doppler Radar Data
Publisher: American Meteorological Society
Abstract: his study develops an extension of a variational-based multiple-Doppler radar synthesis method to construct the three-dimensional wind field over complex topography. The immersed boundary method (IBM) is implemented to ...
The Kinematic and Microphysical Characteristics and Associated Precipitation Efficiency of Subtropical Convection during SoWMEX/TiMREX
Publisher: American Meteorological Society
Abstract: ual-Doppler, polarimetric radar observations and precipitation efficiency (PE) calculations are used to analyze subtropical heavy rainfall events that occurred in southern Taiwan from 14 to 17 June 2008 during the Southwest ...
A Three-Dimensional Variational Approach for Deriving the Thermodynamic Structure Using Doppler Wind Observations—An Application to a Subtropical Squall Line
Publisher: American Meteorological Society
Abstract: A newly designed retrieval scheme based on three-dimensional variational analysis is used to extract the thermodynamic field of a weather system from Doppler wind measurements. As compared with the traditional retrieval ...