AMET HomePage
Overview
AMET is a unified meteorology and air quality model evaluation tool designed for users from the meteorological and air quality modeling community. AMET is designed to be flexible, extendable, and user-friendly. The current version is compatible with MM5, Weather Research and Forecast (WRF) model, and National Centers for Environmental Prediction (NCEP) Eta model output. Currently, the tools are being extended to allow evaluation of air quality models like CMAQ. Benefits of an evaluation system such as AMET are: provide a better sense of meteorological model uncertainty, standardize the evaluation process, manage a large volume of evaluation results, make the overall evaluation process more efficient and less labor intensive, and to directly link meteorological evaluation with the air quality model evaluation.
Meteorology Module: A project is first configured using a project-setup web interface, then observations are matched in time and space with the model output by way of a C-shell script. These matched model-observation pairs for each variable are stored in a MySQL relational database, which is the core data manager of the evaluation system. Various analysis programs connect to the database and extract user-specified data, then generate statistics and analysis plots. Currently, programs are available to produce daily spatial statistics, time series statistics, and time series plots for any specified observation sites. Programs have also been developed for comparing modeled precipitation with the national gridded precipitation analysis, as well as a utility to extract and compute statistics for subsets of data. An interface is also available to plot diurnal profile statistics and explicit comparison between simulated and observed wind vectors from a comparison of the modeled wind with wind profiler observations. Below is a schematic of the AMET-MET process.
References
MM5 2001 Evaluation Paper (CMAS 2004)
MM5 2001 Evaluation Poster (CMAS 2004)
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