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Mesoscale Surface Analysis System for the Australian Domain: Design Issues, Development Status, and System Validation
Publisher: American Meteorological Society
Abstract: n operational surface analysis system for the continent of Australia is presented. The system is specifically designed to mitigate problems that arise when analyzing surface data with a highly inhomogeneous distribution. ...
Application of a Bayesian Classifier of Anomalous Propagation to Single-Polarization Radar Reflectivity Data
Publisher: American Meteorological Society
Abstract: naïve Bayes classifier (NBC) was developed to distinguish precipitation echoes from anomalous propagation (anaprop). The NBC is an application of Bayes's theorem, which makes its classification decision based on the class ...
Assessment of Doppler Radar Radial Wind Observation Quality from Different Echo Sources for Assimilation during the Sydney 2014 Forecast Demonstration Project
Publisher: American Meteorological Society
Abstract: AbstractA new quality control system, primarily using a naïve Bayesian classifier, has been developed to enable the assimilation of radial velocity observations from Doppler radar. The ultimate assessment of this system ...
Efficient Ensemble Covariance Localization in Variational Data Assimilation
Publisher: American Meteorological Society
Abstract: Previous descriptions of how localized ensemble covariances can be incorporated into variational (VAR) data assimilation (DA) schemes provide few clues as to how this might be done in an efficient way. This article serves ...
Multiscale Forecasting of High-Impact Weather: Current Status and Future Challenges
Publisher: American Meteorological Society
Abstract: The WMO HIWeather Multiscale Hazard Forecasting project members and collaborators review the current status and future challenges in Observations, Nowcasting, Data Assimilation, Ensemble Forecasting, and Coupled Hazard ...
ACCESS-TC: Vortex Specification, 4DVAR Initialization, Verification, and Structure Diagnostics
Publisher: American Meteorological Society
Abstract: he Australian Community Climate and Earth System Simulator (ACCESS) has been adapted for operational and research applications on tropical cyclones. The base system runs at a resolution of 0.11° and 50 levels. The domain ...
The Concordiasi Project in Antarctica
Publisher: American Meteorological Society
Abstract: The Concordiasi project is making innovative observations of the atmosphere above Antarctica. The most important goals of the Concordiasi are as follows: To enhance the accuracy of weather prediction and climate records ...