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Feature #2558 tc_diag_docs #2580

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merged 9 commits into from
Jul 10, 2023
2 changes: 1 addition & 1 deletion data/config/TCDiagConfig_default
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//
// Data censoring and conversion
// May be set separately in each diag_data "field" entry
// May be set separately in each data "field" array entry
//
// censor_thresh = [];
// censor_val = [];
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2 changes: 1 addition & 1 deletion docs/Users_Guide/data_io.rst
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* **Output**: One ASCII file containing 2D object attributes, four ASCII files containing 3D object attributes, and one NetCDF file containing object indices for the gridded simple and cluster object fields.

#. **TC-Dland Tool**
#. **TC-DLand Tool**

* **Input**: One or more files containing the longitude (Degrees East) and latitude (Degrees North) of all the coastlines and islands considered to be a significant landmass.

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6 changes: 3 additions & 3 deletions docs/Users_Guide/met-tc_overview.rst
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Expand Up @@ -9,14 +9,14 @@ Introduction

The purpose of this User's Guide is to provide basic information to the users of the Model Evaluation Tools - Tropical Cyclone (MET-TC) to enable users to apply MET-TC to their tropical cyclone datasets and evaluation studies. MET-TC is intended for use with model forecasts run through a vortex tracking software or with operational model forecasts in Automated Tropical Cyclone Forecast (ATCF) file format.

The following sections provide an overview of MET-TC and its components, as well as basic information on the software build. The required input, including file format and the MET-TC are discussed followed by a description of the TC-Dland tool, TC-Pairs, and TC-Stat tools. Each section covers the input, output and practical usage including a description of the configuration files. This is followed by a short overview of graphical utilities available within the MET-TC release.
The following sections provide an overview of MET-TC and its components, as well as basic information on the software build. The required input, including file format and the MET-TC are discussed followed by a description of the TC-DLand, TC-Diag, TC-Pairs, TC-Stat, TC-RMW, and RMW-Analysis tools. Each section covers the input, output and practical usage including a description of the configuration files. This is followed by a short overview of graphical utilities available within the MET-TC release.

MET-TC components
=================

The MET tools used in the verification of Tropical Cyclones are referred to as MET-TC. These tools are shown across the bottom of the flowchart in :numref:`overview-figure`. The MET-TC tools are described in more detail in later sections.

The TC-Dland tool is used to generate a gridded file that determines the location of coastlines and islands, and is used as input to the TC-Pairs tool to determine the distance from land of a particular track point. The TC-Pairs tool matches pairs of input model data and BEST track (or any reference forecast) and calculates position errors. The TC-Stat tool uses the TC-Pairs output to perform filter and summary jobs over the matched pair dataset. The TC-Gen tool performs a categorical analysis for tropical cyclone genesis forecasts. The TC-RMW tool performs a coordinate transformation of gridded model data, centered on the storm's location. The RMW-Analysis tool aggregates TC-RMW output across multiple cases.
Tropical cyclone forecasts and observations are quite different than numerical model forecasts, and thus they have their own set of tools. These consist of TC-DLand, TC-Diag, TC-Pairs, TC-Stat, TC-Gen, TC-RMW, and RMW-Analysis. The TC-DLand module calculates the distance to land from all locations on a specified grid. This information can be used in later modules to eliminate tropical cyclones that are over land from being included in the statistics. TC-Diag converts gridded model output into cylindrical coordinates for each storm location, calls Python scripts to compute storm-relative diagnostics, and writes ASCII output to be read by TC-Pairs. TC-Pairs matches up tropical cyclone forecasts and observations and writes all output to a file. In TC-Stat, these forecast / observation pairs are analyzed according to user preference to produce statistics. TC-Gen evaluates the performance of Tropical Cyclone genesis forecast using contingency table counts and statistics. TC-RMW performs a coordinate transformation for gridded model or analysis fields centered on the current storm location. RMW-Analysis filters and aggregates the output of TC-RMW across multiple cases.

Input data format
=================
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Output data format
==================

The MET package produces output in four basic file formats: STAT files, ASCII files, NetCDF files, and Postscript plots. The MET-TC tool produces output in TCSTAT, which stands for Tropical Cyclone - STAT. This output format consists of tabular ASCII data that can be easily read by many analysis tools and software packages, making the output from MET-TC very versatile. Like STAT, TCSTAT is a specialized ASCII format containing one record on each line. Currently, the only line type available in MET-TC is TCMPR (Tropical Cyclone Matched Pairs). As more line types are included in future releases, all line types will be included in a single TCSTAT file. MET-TC also outputs a NetCDF format file in the TC-Dland tool, as input to the TC-Pairs tool.
The MET package produces output in four basic file formats: STAT files, ASCII files, NetCDF files, and PostScript plots. The MET-TC tool produces output in TCSTAT, which stands for Tropical Cyclone - STAT. This output format consists of tabular ASCII data that can be easily read by many analysis tools and software packages, making the output from MET-TC very versatile. Like STAT, TCSTAT is a specialized ASCII format containing one record on each line. Currently, the only line type available in MET-TC is TCMPR (Tropical Cyclone Matched Pairs). As more line types are included in future releases, all line types will be included in a single TCSTAT file. The TC-DLand, TC-Diag, TC-RMW, and RMW-Analysis tools also write NetCDF files containing a variety of output data types.
4 changes: 2 additions & 2 deletions docs/Users_Guide/overview.rst
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Expand Up @@ -9,7 +9,7 @@ Purpose and organization of the User's Guide

The goal of this User's Guide is to provide basic information for users of the Model Evaluation Tools (MET) to enable them to apply MET to their datasets and evaluation studies. MET was originally designed for application to the post-processed output of the `Weather Research and Forecasting (WRF) <https://www.mmm.ucar.edu/weather-research-and-forecasting-model>`_ model. However, MET may also be used for the evaluation of forecasts from other models or applications, including the `Unified Forecast System (UFS) <http://www.ufscommunity.org>`_, and the `System for Integrated Modeling of the Atmosphere (SIMA) <https://wiki.ucar.edu/display/SIMA/>`_ if certain file format definitions (described in this document) are followed.

The MET User's Guide is organized as follows. :numref:`overview` provides an overview of MET and its components. :numref:`installation` contains basic information about how to get started with MET - including system requirements, required software (and how to obtain it), how to download MET, and information about compilers, libraries, and how to build the code. :numref:`data_io` - :numref:`masking` focuses on the data needed to run MET, including formats for forecasts, observations, and output. These sections also document the reformatting and masking tools available in MET. :numref:`point-stat` - :numref:`gsi_tools` focuses on the main statistics modules contained in MET, including the Point-Stat, Grid-Stat, Ensemble-Stat, Wavelet-Stat and GSI Diagnostic Tools. These sections include an introduction to the statistical verification methodologies utilized by the tools, followed by a section containing practical information, such as how to set up configuration files and the format of the output. :numref:`stat-analysis` and :numref:`series-analysis` focus on the analysis modules, Stat-Analysis and Series-Analysis, which aggregate the output statistics from the other tools across multiple cases. :numref:`mode` - :numref:`mode-td` describes a suite of object-based tools, including MODE, MODE-Analysis, and MODE-TD. :numref:`met-tc_overview` - :numref:`rmw-analysis` describes tools focused on tropical cyclones, including MET-TC Overview, TC-Dland, TC-Pairs, TC-Stat, TC-Gen, TC-RMW and RMW-Analysis. Finally, :numref:`plotting` includes plotting tools included in the MET release for checking and visualizing data, as well as some additional tools and information for plotting MET results. The appendices provide further useful information, including answers to some typical questions (:numref:`Appendix A, Section %s <appendixA>`) and links and information about map projections, grids, and polylines (:numref:`Appendix B, Section %s <appendixB>`). :numref:`Appendix C, Section %s <appendixC>` and :numref:`Appendix D, Section %s <appendixD>` provide more information about the verification measures and confidence intervals that are provided by MET. Sample code that can be used to perform analyses on the output of MET and create particular types of plots of verification results is posted on the `MET website <https://dtcenter.org/community-code/model-evaluation-tools-met>`_). Note that the MET development group also accepts contributed analysis and plotting scripts which may be posted on the MET website for use by the community. It should be noted there are References (:numref:`refs`) in this User's Guide as well.
The MET User's Guide is organized as follows. :numref:`overview` provides an overview of MET and its components. :numref:`installation` contains basic information about how to get started with MET - including system requirements, required software (and how to obtain it), how to download MET, and information about compilers, libraries, and how to build the code. :numref:`data_io` - :numref:`masking` focuses on the data needed to run MET, including formats for forecasts, observations, and output. These sections also document the reformatting and masking tools available in MET. :numref:`point-stat` - :numref:`gsi_tools` focuses on the main statistics modules contained in MET, including the Point-Stat, Grid-Stat, Ensemble-Stat, Wavelet-Stat and GSI Diagnostic Tools. These sections include an introduction to the statistical verification methodologies utilized by the tools, followed by a section containing practical information, such as how to set up configuration files and the format of the output. :numref:`stat-analysis` and :numref:`series-analysis` focus on the analysis modules, Stat-Analysis and Series-Analysis, which aggregate the output statistics from the other tools across multiple cases. :numref:`mode` - :numref:`mode-td` describes a suite of object-based tools, including MODE, MODE-Analysis, and MODE-TD. :numref:`met-tc_overview` - :numref:`rmw-analysis` describes tools focused on tropical cyclones, including MET-TC Overview, TC-DLand, TC-Diag, TC-Pairs, TC-Stat, TC-Gen, TC-RMW and RMW-Analysis. Finally, :numref:`plotting` includes plotting tools included in the MET release for checking and visualizing data, as well as some additional tools and information for plotting MET results. The appendices provide further useful information, including answers to some typical questions (:numref:`Appendix A, Section %s <appendixA>`) and links and information about map projections, grids, and polylines (:numref:`Appendix B, Section %s <appendixB>`). :numref:`Appendix C, Section %s <appendixC>` and :numref:`Appendix D, Section %s <appendixD>` provide more information about the verification measures and confidence intervals that are provided by MET. Sample code that can be used to perform analyses on the output of MET and create particular types of plots of verification results is posted on the `MET website <https://dtcenter.org/community-code/model-evaluation-tools-met>`_). Note that the MET development group also accepts contributed analysis and plotting scripts which may be posted on the MET website for use by the community. It should be noted there are References (:numref:`refs`) in this User's Guide as well.

The remainder of this section includes information about the context for MET development, as well as information on the design principles used in developing MET. In addition, this section includes an overview of the MET package and its specific modules.

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The Stat-Analysis and MODE-Analysis tools aggregate the output statistics from the previous steps across multiple cases. The Stat-Analysis tool reads the STAT output of Point-Stat, Grid-Stat, Ensemble-Stat, and Wavelet-Stat and can be used to filter the STAT data and produce aggregated continuous and categorical statistics. Stat-Analysis also reads matched pair data (i.e. MPR line type) via python embedding. The MODE-Analysis tool reads the ASCII output of the MODE tool and can be used to produce summary information about object location, size, and intensity (as well as other object characteristics) across one or more cases.

Tropical cyclone forecasts and observations are quite different than numerical model forecasts, and thus they have their own set of tools. These consist of TC-Dland, TC-Pairs, TC-Stat, TC-Gen, TC-RMW, and RMW-Analysis. The TC-Dland module calculates the distance to land from all locations on a specified grid. This information can be used in later modules to eliminate tropical cyclones that are over land from being included in the statistics. TC-Pairs matches up tropical cyclone forecasts and observations and writes all output to a file. In TC-Stat, these forecast / observation pairs are analyzed according to user preference to produce statistics. TC-Gen evaluates the performance of Tropical Cyclone genesis forecast using contingency table counts and statistics. TC-RMW performs a coordinate transformation for gridded model or analysis fields centered on the current storm location. RMW-Analysis filters and aggregates the output of TC-RMW across multiple cases.
Tropical cyclone forecasts and observations are quite different than numerical model forecasts, and thus they have their own set of tools. These consist of TC-DLand, TC-Diag, TC-Pairs, TC-Stat, TC-Gen, TC-RMW, and RMW-Analysis. The TC-DLand module calculates the distance to land from all locations on a specified grid. This information can be used in later modules to eliminate tropical cyclones that are over land from being included in the statistics. TC-Diag converts gridded model output into cylindrical coordinates for each storm location, calls Python scripts to compute storm-relative diagnostics, and writes ASCII output to be read by TC-Pairs. TC-Pairs matches up tropical cyclone forecasts and observations and writes all output to a file. In TC-Stat, these forecast / observation pairs are analyzed according to user preference to produce statistics. TC-Gen evaluates the performance of Tropical Cyclone genesis forecast using contingency table counts and statistics. TC-RMW performs a coordinate transformation for gridded model or analysis fields centered on the current storm location. RMW-Analysis filters and aggregates the output of TC-RMW across multiple cases.

The following sections of this MET User's Guide contain usage statements for each tool, which may be viewed if you type the name of the tool. Alternatively, the user can also type the name of the tool followed by **-help** to obtain the usage statement. Each tool also has a **-version** command line option associated with it so that the user can determine what version of the tool they are using.

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