Radar Data Processing for Gridpoint Statistical Interpolation Radar Data Assimilation

Report No. ARL-TR-8839
Authors: Huaqing Cai, Brian P Reen, and John W Raby
Date/Pages: October 2019; 19 pages
Abstract: The CCDC Army Research Laboratory (ARL) has developed and tested a software tool named radx2bufr. This tool fills a gap in ARL's capability of converting Universal Format radar reflectivity data into BUFR (Binary Universal Form for the Representation of meteorological data) so that Gridpoint Statistical Interpolation radar data assimilation can be applied to Weather Running Estimate – Nowcast (WRE-N), ARL's own nowcasting model based on the Weather Research and Forecasting model. The capability of assimilating radar reflectivity data into WRE-N greatly improved WRE-N's storm forecasting skills, especially from the first to a few hours. The successful development, implementation, and testing of this software tool plays a key role in enhancing ARL's nowcasting capabilities for Army system and operations. 15.
Distribution: Approved for public release
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Last Update / Reviewed: October 1, 2019