diff --git a/ush/plotObsMon.py b/ush/plotObsMon.py
index d806837..0f8def7 100755
--- a/ush/plotObsMon.py
+++ b/ush/plotObsMon.py
@@ -9,12 +9,15 @@
 from re import sub
 import yaml
 from om_data import OM_data
+import datetime as dt
 
 from wxflow import parse_j2yaml, save_as_yaml
 from wxflow import add_to_datetime, to_timedelta, to_datetime
 from eva.eva_driver import eva
 from eva.utilities.logger import Logger
+from datetime import timedelta
 
+# --------------------------------------------------------------------------------------------
 
 def genYaml(input_yaml, output_yaml, config):
     """
@@ -179,9 +182,10 @@ def loadConfig(satname, instrument, obstype, plot, cycle_tm, cycle_interval,
                 instrument = inst.get('name')
 
                 for plot in inst.get('plot_list'):
+                    logger.info(f'plot: {plot}')
+
                     config = loadConfig(satname, instrument, obstype, plot, cycle_tm,
                                         cycle_interval, data_location, model, chan_dict)
-
                     plot_template = f"{config['PLOT_TEMPLATE']}.yaml"
                     plot_yaml = f"{config['SENSOR']}_{config['SAT']}_{plot_template}"
 
@@ -195,11 +199,17 @@ def loadConfig(satname, instrument, obstype, plot, cycle_tm, cycle_interval,
                     os.chdir(plot_dir)
 
                     config['DATA'] = plot_dir
-                    genYaml(plot_template, plot_yaml, config)
+                    try:
+                        genYaml(plot_template, plot_yaml, config)
+
+                        plotData = OM_data(data_location, config, plot_yaml, logger)
+                        eva(plot_yaml)
+#                       os.remove(plot_yaml)
 
-                    plotData = OM_data(data_location, config, plot_yaml, logger)
-                    eva(plot_yaml)
-                    os.remove(plot_yaml)
+                    except Exception as e:
+                        logger.info(f'Warning: unable to run genYaml() with plot_yaml file {plot_yaml} ' +
+                                    f'error: {e}')
+                        continue
 
     if 'minimization' in mon_dict.keys():
         satname = None
diff --git a/ush/splitPlotYaml.py b/ush/splitPlotYaml.py
index 67fe847..4d63dd0 100644
--- a/ush/splitPlotYaml.py
+++ b/ush/splitPlotYaml.py
@@ -29,6 +29,40 @@ def removeKey(d, keys):
     return r
 
 
+def check_plotlist(type, logger, plot_list, sat=None, instr=None):
+    """
+    """
+    logger.info(f'--> check_plotlist')
+    sat_reqs = {'rad': ['plot', 'times', 'channels', 'component', 'run'], 
+                'ozn': ['plot', 'times', 'levels', 'component', 'run']} 
+
+    rtn_val = True
+    missing = []
+    match type:
+            case 'sat':   
+                if 'rad' in plot_list.get('plot'):
+                    reqs = sat_reqs.get('rad')
+                else:
+                    reqs = sat_reqs.get('ozn')
+
+                for val in reqs:
+                    if val not in plot_list:
+                        missing.append(val) 
+                        plot_str = (f" {instr} {sat} {plot_list.get('plot')}")         
+
+#           case 'min':   
+#           case 'obs':   
+#           cast _:
+
+    if missing:
+        logger.info(f'WARNING:  YAML for plot {plot_str}  is missing  {missing}')
+        logger.info(f'WARNING:  Requested plot will be SKIPPED.')
+        rtn_val = False
+ 
+    return (rtn_val)
+    logger.info(f'<-- check_plotlist')
+
+
 if __name__ == "__main__":
     """
     splitPlotYaml
@@ -71,6 +105,7 @@ def removeKey(d, keys):
     data = mon_dict.get('data')
 
     if 'satellites' in mon_dict.keys():
+        logger.info(f' split_plot, in satellites')
         sd = removeKey(mon_dict, ['minimization', 'observations'])
 
         for sat in mon_dict.get('satellites'):
@@ -79,14 +114,19 @@ def removeKey(d, keys):
             for inst in sat.get('instruments'):
                 iname = inst.get('name')
                 plist = inst.get('plot_list')
+                for pl in inst.get('plot_list'):
+                    if not check_plotlist('sat', logger, pl, sat=satname, instr=iname):
+                        continue
 
                 # --------------------------------------------------------------------
                 # For instruments with a large number of channels split the plot_list
                 #
                 channels = chan_dict.get(iname)
+                logger.info(f' channels: {channels}')
                 nchans = 0
                 if channels is not None:
                     nchans = len(channels.split(","))
+                logger.info(f' nchans: {nchans}')
 
                 if nchans > 100:
                     ctr = 0
@@ -114,6 +154,11 @@ def removeKey(d, keys):
     if 'minimization' in mon_dict.keys():
         md = removeKey(mon_dict, ['satellites', 'observations'])
         fname = f'OM_PLOT_minimization.yaml'
+        mm = md.get('minimization')
+        logger.info(f'mm: {mm}')
+        for m in mm.get('plot_list'):
+            logger.info(f'm: {m}')
+
         file = open(fname, "w")
         yaml.dump(md, file)
         file.close()