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RISA Velocity Dealiasing Technique Using Rapidly Updated Analysis from a Four-Dimensional Variational Doppler Radar Data Assimilation System
Publisher: American Meteorological Society
Abstract: A Doppler velocity dealiasing algorithm is developed within the storm-scale four-dimensional radar data assimilation system known as the Variational Doppler Radar Analysis System (VDRAS). The innovative aspect of the ...
An Approach of Radar Reflectivity Data Assimilation and Its Assessment with the Inland QPF of Typhoon Rusa (2002) at Landfall
Publisher: American Meteorological Society
Abstract: A radar reflectivity data assimilation scheme was developed within the fifth-generation Pennsylvania State University?National Center for Atmospheric Research Mesoscale Model (MM5) three-dimensional variational data ...
CORRIGENDUM
Publisher: American Meteorological Society
The Formation of Multiple Squall Lines and the Impacts of WSR-88D Radial Winds in a WRF Simulation
Publisher: American Meteorological Society
Abstract: A detailed observational and Weather Research and Forecasting (WRF) model analysis utilizing Weather Surveillance Radar-1988 Doppler (WSR-88D), surface, and upper-air observations, as well as Geostationary Operational ...
Incremental Analysis Updates Initialization Technique Applied to 10-km MM5 and MM5 3DVAR
Publisher: American Meteorological Society
Abstract: An incremental analysis updates (IAU) technique is implemented for 3-h updates of the fifth-generation Pennsylvania State University?NCAR Mesoscale Model (MM5) three-dimensional variational data assimilation (3DVAR) and ...
Assimilation of Doppler Radar Observations with a Regional 3DVAR System: Impact of Doppler Velocities on Forecasts of a Heavy Rainfall Case
Publisher: American Meteorological Society
Abstract: In this paper, the impact of Doppler radar radial velocity on the prediction of a heavy rainfall event is examined. The three-dimensional variational data assimilation (3DVAR) system for use with the fifth-generation ...