diff --git a/docs/Users_Guide/glossary.rst b/docs/Users_Guide/glossary.rst
index c09cb4175c..e2804652b7 100644
--- a/docs/Users_Guide/glossary.rst
+++ b/docs/Users_Guide/glossary.rst
@@ -7858,3 +7858,10 @@ METplus Configuration Glossary
      Specify the value for 'hss_ec_value' in the MET configuration file for StatAnalysis.
 
      | *Used by:* StatAnalysis
+
+   TCMPR_PLOTTER_READ_ALL_FILES
+     If True, pass in input directory set by :term:`TCMPR_PLOTTER_TCMPR_DATA_DIR`
+     to the script. If False, a list of all files that end with .tcst in the input
+     directory is gathered and passed into the script. Defaults to False.
+
+     | *Used by:* TCMPRPlotter
diff --git a/docs/Users_Guide/wrappers.rst b/docs/Users_Guide/wrappers.rst
index 95e69bdc5c..6b1dd4ad37 100644
--- a/docs/Users_Guide/wrappers.rst
+++ b/docs/Users_Guide/wrappers.rst
@@ -6517,6 +6517,7 @@ METplus Configuration
 | :term:`TCMPR_PLOTTER_SAVE_DATA`
 | :term:`TCMPR_PLOTTER_DEP_LABELS`
 | :term:`TCMPR_PLOTTER_PLOT_LABELS`
+| :term:`TCMPR_PLOTTER_READ_ALL_FILES`
 |
 
 The following are TCMPR flags, if set to 'no', then don't set flag, if
diff --git a/metplus/wrappers/tcmpr_plotter_wrapper.py b/metplus/wrappers/tcmpr_plotter_wrapper.py
index 65bd9b2479..9ac09cef7f 100755
--- a/metplus/wrappers/tcmpr_plotter_wrapper.py
+++ b/metplus/wrappers/tcmpr_plotter_wrapper.py
@@ -117,6 +117,11 @@ def create_c_dict(self):
         c_dict['LOOP_INFO'] = self.read_loop_info()
         c_dict['LOOP_ARGS'] = {}
 
+        # get option to pass input directory instead of finding .tcst files
+        c_dict['READ_ALL_FILES'] = (
+            self.config.getbool('config', 'TCMPR_PLOTTER_READ_ALL_FILES', False)
+        )
+
         return c_dict
 
     def read_optional_args(self):
@@ -272,6 +277,10 @@ def get_input_files(self):
 
         # input is directory, so find all tcst files to process
         self.logger.debug(f'Plotting all files in: {input_data}')
+        if self.c_dict['READ_ALL_FILES']:
+            self.logger.debug('Passing in directory to R script')
+            return [input_data]
+
         input_files = util.get_files(input_data, ".*.tcst")
         self.logger.debug(f"Number of files: {len(input_files)}")
         return sorted(input_files)
diff --git a/parm/use_cases/met_tool_wrapper/TCMPRPlotter/TCMPRPlotter.conf b/parm/use_cases/met_tool_wrapper/TCMPRPlotter/TCMPRPlotter.conf
index 243bfa11a6..ccf92158fa 100644
--- a/parm/use_cases/met_tool_wrapper/TCMPRPlotter/TCMPRPlotter.conf
+++ b/parm/use_cases/met_tool_wrapper/TCMPRPlotter/TCMPRPlotter.conf
@@ -22,6 +22,7 @@ INIT_INCREMENT = 6H
 TCMPR_PLOTTER_TCMPR_DATA_DIR = {INPUT_BASE}/met_test/tc_pairs/{date?fmt=%Y%m}
 TCMPR_PLOTTER_PLOT_OUTPUT_DIR = {OUTPUT_BASE}/tcmpr_plots
 
+#TCMPR_PLOTTER_READ_ALL_FILES = True
 
 #  Plot_TCMPR options, if left unset, default values that are
 #  pre-defined in the R utility (packaged with MET) will be used.