""" GridStat: Determine dominant ensemble members terciles and calculate categorical outputs ======================================================================================== model_applications/s2s/GridStat_fcstCFSv2_obsGHCNCAMS_MultiTercile.conf """ ############################################################################## # .. contents:: # :depth: 1 # :local: # :backlinks: none ############################################################################## # Scientific Objective # -------------------- # This use case ingests a CFSv2 Ensemble forecast, with all ensemble members in a single file for a given year. # 29 years of forecast ensembles are used to create probabilities for each tercile, which is accomplished by a Python script. # Of the terciles, each gridpoint is assigned a value corresponding to the tercile that is most likely to occur. This is compared to an observation set # that contains the tercile data and MCTS line type is requested. # This use case highlights the inclusion of tercile data for calculating HSS; in particular, how to utilize the hss_ec_value option to # preset the expected values rather than relying on categorical values. ############################################################################## # Version Added # ------------- # # METplus version 5.0 ############################################################################## # Datasets # -------- # # **Forecast:** 29 CFSv2 Ensemble files, 2m temperature fields # # **Observations:** GHCNCAMS, 2m temperature field # # **Climatology:** None # # **Location:** All of the input data required for this use case can be # found in a sample data tarball. Each use case category will have # one or more sample data tarballs. It is only necessary to download # the tarball with the use case’s dataset and not the entire collection # of sample data. Click here to access the METplus releases page and download sample data # for the appropriate release: https://github.com/dtcenter/METplus/releases # This tarball should be unpacked into the directory that you will # set the value of INPUT_BASE. See :ref:`running-metplus` section for more information. ############################################################################## # METplus Components # ------------------ # # This use case calls a Python script 29 times, once for each year of data of the CFSv2 ensemble. # Each time a successful call to the script is made, a grid of 1s, 2s, and 3s is returned, representing which tercile was dominant for the gridpoint. # GridStat processes the forecast and observation fields, and outputs the requested line types. ############################################################################## # METplus Workflow # ---------------- # # **Beginning time (INIT_BEG):** 1982010100 # # **End time (INIT_END):** 2010020100 # # **Increment between beginning and end times (INIT_INCREMENT):** 1Y # # **Sequence of forecast leads to process (LEAD_SEQ):** None # # This use case utilizes 29 years of forecast data, with 24 members in each ensemble forecast. # The following boundary times are used for the entire script: # # | **Init Beg:** 1982-01-01 # | **Init End:** 2010-01-02 # # Because the increment is 1 year, all January 1st from 1982 to 2010 are processed for a total of 29 years. ############################################################################## # METplus Configuration # --------------------- # # METplus first loads all of the configuration files found in parm/metplus_config, # then it loads any configuration files passed to METplus via the command line, # i.e. parm/use_cases/model_applications/s2s/GridStat_fcstCFSv2_obsGHCNCAMS_MultiTercile.conf # # .. highlight:: bash # .. literalinclude:: ../../../../parm/use_cases/model_applications/s2s/GridStat_fcstCFSv2_obsGHCNCAMS_MultiTercile.conf # ############################################################################## # MET Configuration # ----------------- # # METplus sets environment variables based on user settings in the METplus # configuration file. See :ref:`How METplus controls MET config file settings` for more details. # # **YOU SHOULD NOT SET ANY OF THESE ENVIRONMENT VARIABLES YOURSELF! THEY WILL BE OVERWRITTEN BY METPLUS WHEN IT CALLS THE MET TOOLS!** # # If there is a setting in the MET configuration file that is currently # not supported by METplus you’d like to control, please refer to: # :ref:`Overriding Unsupported MET config file settings` # # .. dropdown:: GridStatConfig_wrapped # # .. literalinclude:: ../../../../parm/met_config/GridStatConfig_wrapped ############################################################################## # Python Embedding # ---------------- # # This use case does not use Python embedding. ############################################################################## # User Scripting # -------------- # # User Scripting is not used in this use case. ############################################################################## # Running METplus # --------------- # # Pass the use case configuration file to the run_metplus.py script along # with any user-specific system configuration files if desired:: # # run_metplus.py /path/to/METplus/parm/use_cases/model_applications/s2s/GridStat_fcstCFSv2_obsGHCNCAMS_MultiTercile /path/to/user_system.conf # # See :ref:`running-metplus` for more information. ############################################################################## # Expected Output # --------------- # # A successful run will output the following both to the screen and to the logfile:: # # INFO: METplus has successfully finished running. # # Refer to the value set for **OUTPUT_BASE** to find where the output data was generated. # Output for the use case will be found in 29 folders(relative to **OUTPUT_BASE**). # The output will follow the time information of the run. Specifically: # # * YYYY01 # # where YYYY will be replaced by values corresponding to each of the years (1982 through 2010). # Each of those folders will have the following files: # # * grid_stat_000000L_19820101_000000V_pairs.nc # * grid_stat_000000L_19820101_000000V_mctc.txt # * grid_stat_000000L_19820101_000000V_mcts.txt # * grid_stat_000000L_19820101_000000V.stat # ############################################################################## # Keywords # -------- # # .. note:: # # * GridStatToolUseCase # * ProbabilityVerificationUseCase # * PythonEmbeddingFileUseCase # * S2SAppUseCase # * NETCDFFileUseCase # # Navigate to the :ref:`quick-search` page to discover other similar use cases. # # # # sphinx_gallery_thumbnail_path = '_static/s2s-GridStat_fcstCFSv2_obsGHCNCAMS_MultiTercile.png'