diff --git a/aiida_flexpart/calculations/flexpart_cosmo.py b/aiida_flexpart/calculations/flexpart_cosmo.py
index 494d192..9cb507a 100644
--- a/aiida_flexpart/calculations/flexpart_cosmo.py
+++ b/aiida_flexpart/calculations/flexpart_cosmo.py
@@ -51,7 +51,7 @@ def define(cls, spec):
             help='Input file for the Lagrangian particle dispersion model FLEXPART. Nested output grid.'
             )
         spec.input('species', valid_type=orm.RemoteData, required=True)
-        spec.input('meteo_path', valid_type=orm.RemoteData,
+        spec.input('meteo_path', valid_type=orm.List,
         required=True, help='Path to the folder containing the meteorological input data.')
         spec.input('metadata.options.output_filename', valid_type=str, default='aiida.out', required=True)
         spec.input_namespace('land_use', valid_type=orm.RemoteData, required=False, dynamic=True, help='#TODO')
@@ -101,16 +101,13 @@ def prepare_for_submission(self, folder):  # pylint: disable=too-many-locals
             needed by the calculation.
         :return: `aiida.common.datastructures.CalcInfo` instance
         """
+        meteo_string_list = ['./','./']
+        for path in self.inputs.meteo_path:
+            meteo_string_list.append(f'{path}{os.sep}')
+            meteo_string_list.append(f'{path}/AVAILABLE')
 
-        meteo_path = pathlib.Path(self.inputs.meteo_path.get_remote_path())
         codeinfo = datastructures.CodeInfo()
-        codeinfo.cmdline_params = [
-            './', # Folder containing the inputs.
-            './', # Folder containing the outputs.
-            f'{meteo_path}{os.sep}',
-            str(meteo_path / 'AVAILABLE'),
-            # File that lists all the individual input files that are available and assigns them a date
-        ]
+        codeinfo.cmdline_params = meteo_string_list
         codeinfo.code_uuid = self.inputs.code.uuid
         codeinfo.stdout_name = self.metadata.options.output_filename
         codeinfo.withmpi = self.inputs.metadata.options.withmpi
diff --git a/aiida_flexpart/calculations/flexpart_ifs.py b/aiida_flexpart/calculations/flexpart_ifs.py
index 2cb0896..93b89df 100644
--- a/aiida_flexpart/calculations/flexpart_ifs.py
+++ b/aiida_flexpart/calculations/flexpart_ifs.py
@@ -55,7 +55,7 @@ def define(cls, spec):
         spec.input('species', valid_type=orm.RemoteData, required=True)
         spec.input_namespace('land_use', valid_type=orm.RemoteData, required=False, dynamic=True, help='#TODO')
 
-        spec.input('meteo_path', valid_type=orm.RemoteData,
+        spec.input('meteo_path', valid_type=orm.List,
         required=True, help='Path to the folder containing the meteorological input data.')
         spec.input('metadata.options.output_filename', valid_type=str, default='aiida.out', required=True)
         spec.outputs.dynamic = True
@@ -98,15 +98,13 @@ def _deal_with_time(cls, command_dict):
     
     def prepare_for_submission(self, folder):
 
-        meteo_path = pathlib.Path(self.inputs.meteo_path.get_remote_path())
+        meteo_string_list = ['./','./']
+        for path in self.inputs.meteo_path:
+            meteo_string_list.append(f'{path}{os.sep}')
+            meteo_string_list.append(f'{path}/AVAILABLE')
+
         codeinfo = datastructures.CodeInfo()
-        codeinfo.cmdline_params = [
-            './', # Folder containing the inputs.
-            './', # Folder containing the outputs.
-            f'{meteo_path}{os.sep}',
-            str(meteo_path / 'AVAILABLE'),
-            # File that lists all the individual input files that are available and assigns them a date
-        ]
+        codeinfo.cmdline_params = meteo_string_list
         codeinfo.code_uuid = self.inputs.code.uuid
         codeinfo.stdout_name = self.metadata.options.output_filename
         codeinfo.withmpi = self.inputs.metadata.options.withmpi
diff --git a/aiida_flexpart/workflows/multi_dates_workflow.py b/aiida_flexpart/workflows/multi_dates_workflow.py
index bd8e855..3d90b30 100644
--- a/aiida_flexpart/workflows/multi_dates_workflow.py
+++ b/aiida_flexpart/workflows/multi_dates_workflow.py
@@ -48,8 +48,8 @@ def define(cls, spec):
         # Basic Inputs
         spec.input('simulation_dates', valid_type=orm.List,
                    help='A list of the starting dates of the simulations')
-        spec.input('model', valid_type=orm.Str, required=True)
-        spec.input('model_offline', valid_type=orm.Str, required=True)
+        spec.input('model', valid_type=orm.List, required=True)
+        spec.input('model_offline', valid_type=orm.List, required=True)
         spec.input('offline_integration_time', valid_type=orm.Int)
         spec.input('integration_time', valid_type=orm.Int, help='Integration time in hours')
         spec.input("parent_calc_folder",
@@ -70,9 +70,9 @@ def define(cls, spec):
                    help='Meteo models input params.')
         spec.input('meteo_inputs_offline', valid_type=orm.Dict,required=False,
                    help='Meteo models input params.')
-        spec.input('meteo_path', valid_type=orm.RemoteData,
+        spec.input('meteo_path', valid_type=orm.List,
         required=False, help='Path to the folder containing the meteorological input data.')
-        spec.input('meteo_path_offline', valid_type=orm.RemoteData,
+        spec.input('meteo_path_offline', valid_type=orm.List,
         required=False, help='Path to the folder containing the meteorological input data.')
         spec.input('gribdir', valid_type=orm.Str, required=True)
 
@@ -124,16 +124,22 @@ def condition(self):
         return True if self.ctx.index < len(self.ctx.simulation_dates) else False
     
     def run_cosmo(self):
-         return True if self.inputs.model in cosmo_models else False
+         if all(mod in cosmo_models for mod in self.inputs.model) and self.inputs.model:
+            return True
+         else:
+            return False
     
     def run_ifs(self):
-         return True if self.inputs.model in ECMWF_models else False
+         if all(mod in ECMWF_models for mod in self.inputs.model) and self.inputs.model:
+            return True
+         else:
+            return False
     
     def run_offline(self):
-         if self.inputs.model_offline in ECMWF_models and self.inputs.model != '':
+         if all(mod in ECMWF_models for mod in self.inputs.model_offline) and self.inputs.model and self.inputs.model_offline:
               self.ctx.index-=1
               return True
-         elif self.inputs.model_offline in ECMWF_models and self.inputs.model == '':
+         elif all(mod in ECMWF_models for mod in self.inputs.model_offline) and not self.inputs.model:
               return True
          return False
 
@@ -141,7 +147,6 @@ def setup(self):
         """Prepare a simulation."""
 
         self.report(f'starting setup')
-        self.report(f'model: {self.inputs.model.value}, model_offline: {self.inputs.model_offline.value}')
 
         self.ctx.index = 0
         self.ctx.simulation_dates = self.inputs.simulation_dates
@@ -169,23 +174,32 @@ def prepare_meteo_folder_ifs(self):
                                     self.ctx.command.get_dict()["release_duration"],
                                     self.ctx.command.get_dict()["simulation_direction"])
         
-        self.report(f'prepare meteo from {s_date} to {e_date}')
-
-        results, node = launch_shell_job(
-                    self.inputs.check_meteo_ifs_code,                           
-                    arguments=' -s {sdate} -e {edate} -g {gribdir} -m {model} -a',
-                    nodes={
-                        'sdate': orm.Str(s_date),
-                        'edate': orm.Str(e_date),
-                        'gribdir': self.inputs.gribdir,
-                        'model' : self.inputs.model_offline
-                    })
-
-        if node.is_finished_ok:
-             self.report('meteo files transferred successfully')
+        self.report(f'preparing meteo from {s_date} to {e_date}')
+
+        if all(mod in ECMWF_models for mod in self.inputs.model) and self.inputs.model:
+             model_list = self.inputs.model
+        else:
+             model_list = self.inputs.model_offline
+
+        node_list=[]
+        for mod in model_list:
+            self.report(f'transfering {mod} meteo')
+            results, node = launch_shell_job(
+                        self.inputs.check_meteo_ifs_code,                           
+                        arguments=' -s {sdate} -e {edate} -g {gribdir} -m {model} -a',
+                        nodes={
+                            'sdate': orm.Str(s_date),
+                            'edate': orm.Str(e_date),
+                            'gribdir': self.inputs.gribdir,
+                            'model' : orm.Str(mod)
+                        })
+            node_list.append(node)
+            
+        if all(node.is_finished_ok for node in node_list):
+             self.report('ALL meteo OK')
              return True
         else:
-             self.report('failed to transfer meteo files')
+             self.report('FAILED to transfer meteo')
              self.ctx.index += 1
              return False
     
@@ -195,30 +209,34 @@ def prepare_meteo_folder_cosmo(self):
                                     self.ctx.command.get_dict()["release_duration"],
                                     self.ctx.command.get_dict()["simulation_direction"])
         
-        self.report(f'prepare meteo from {s_date} to {e_date}')
-
-        results, node = launch_shell_job(
-                    self.inputs.check_meteo_cosmo_code,                           
-                    arguments=' -s {sdate} -e {edate} -g {gribdir} -m {model} -a',
-                    nodes={
-                        'sdate': orm.Str(s_date),
-                        'edate': orm.Str(e_date),
-                        'gribdir': self.inputs.gribdir,
-                        'model': self.inputs.model
-                    })
-
-        if node.is_finished_ok:
-             self.report('meteo files transferred successfully')
+        self.report(f'preparing meteo from {s_date} to {e_date}')
+
+        node_list=[]
+        for mod in self.inputs.model:
+            self.report(f'transfering {mod} meteo')
+            results, node = launch_shell_job(
+                        self.inputs.check_meteo_cosmo_code,                           
+                        arguments=' -s {sdate} -e {edate} -g {gribdir} -m {model} -a',
+                        nodes={
+                            'sdate': orm.Str(s_date),
+                            'edate': orm.Str(e_date),
+                            'gribdir': self.inputs.gribdir,
+                            'model': orm.Str(mod)
+                        })
+            node_list.append(node)
+
+        if all(node.is_finished_ok for node in node_list):
+             self.report('ALL meteo OK')
              return True
         else:
-             self.report('failed to transfer meteo files')
+             self.report('FAILED to transfer meteo')
              self.ctx.index += 1
              return False
 
     def run_cosmo_simulation(self):
             """Run calculations for equation of state."""
      
-            self.report('starting flexpart cosmo')
+            self.report(f'starting flexpart cosmo {self.ctx.simulation_dates[self.ctx.index]}')
 
             builder = FlexpartCalculation.get_builder()
             builder.code = self.inputs.fcosmo_code
@@ -257,7 +275,7 @@ def run_cosmo_simulation(self):
     def run_ifs_simulation(self):
             """Run calculations for equation of state."""
             # Set up calculation.
-            self.report(f'Running FIFS for {self.ctx.simulation_dates[self.ctx.index]}')
+            self.report(f'running flexpart ifs for {self.ctx.simulation_dates[self.ctx.index]}')
             builder = FlexpartIfsCalculation.get_builder()
             builder.code = self.inputs.fifs_code
        
@@ -265,11 +283,11 @@ def run_ifs_simulation(self):
             new_dict = self.ctx.command.get_dict()
             new_dict['simulation_date'] = self.ctx.simulation_dates[self.ctx.index]
             
-            if self.inputs.model_offline in ECMWF_models:
+            if self.inputs.model_offline[0] in ECMWF_models:
                 new_dict['age_class'] = self.ctx.offline_integration_time * 3600
                 new_dict['dumped_particle_data'] = True
 
-                if self.inputs.model != '':
+                if self.inputs.model:
                     self.ctx.parent_calc_folder = self.ctx.calculations[-1].outputs.remote_folder
                     self.report(f'starting from: {self.ctx.parent_calc_folder}')
                 else:
diff --git a/examples/example_workflow_combi.py b/examples/example_workflow_combi.py
index 66b29db..30d0ac5 100644
--- a/examples/example_workflow_combi.py
+++ b/examples/example_workflow_combi.py
@@ -62,20 +62,20 @@ def simulation_dates_parser(date_list: list) -> list:
 def test_run(flexpart_code):
     """Run workflow."""
 
-    simulation_dates = simulation_dates_parser(['2021-01-09'])
-    model = 'cosmo7'
-    model_offline = 'IFS_GL_05'
+    simulation_dates = simulation_dates_parser(['2020-09-01'])
+    model = ['cosmo7']
+    model_offline = []
     username='lfernand'
     outgrid_main = 'Europe'
     outgrid_nest = 'Switzerland'
     integration_time = 24
-    integration_time_offline = 48
+    integration_time_offline = 24
 
     users_address=f'/users/{username}/resources/flexpart/'
     scratch_address=f'/scratch/snx3000/{username}/FLEXPART_input/'
 
     #list of locations and/or groups of locations
-    list_locations = ['TEST_32']
+    list_locations = ['group-name-1']
 
 
     # Links to the remote files/folders.
@@ -104,8 +104,8 @@ def test_run(flexpart_code):
     builder = workflow.get_builder()
     builder.fcosmo_code = flexpart_code
     builder.fifs_code = orm.load_code('flexpart_ifs@daint')
-    builder.check_meteo_ifs_code = orm.load_code('check-ifs-data@daint-direct')
-    builder.check_meteo_cosmo_code = orm.load_code('check-cosmo-data@daint-direct')
+    builder.check_meteo_ifs_code = orm.load_code('check-ifs-data@daint-direct-106')
+    builder.check_meteo_cosmo_code = orm.load_code('check-cosmo-data@daint-direct-106')
 
     #basic settings
     builder.simulation_dates = simulation_dates
@@ -113,28 +113,24 @@ def test_run(flexpart_code):
     builder.offline_integration_time = orm.Int(integration_time_offline)
 
     #meteo realted settings
-    builder.model = orm.Str(model)
-    builder.model_offline = orm.Str(model_offline)
+    builder.model = orm.List(model)
+    builder.model_offline = orm.List(model_offline)
 
-    if model is not None:
-        meteo_path = orm.RemoteData(
-                remote_path=scratch_address+model+'/',
-                computer = flexpart_code.computer)
+    if model:
+        meteo_path = orm.List([scratch_address+mod for mod in model])
         builder.meteo_path = meteo_path
         builder.meteo_inputs = orm.Dict(
             dict=read_yaml_data('inputs/meteo_inputs.yaml', names=[
-                model,
-            ])[model])
+                model[-1],
+            ])[model[-1]])
 
-    if model_offline is not None:
-        meteo_path_offline = orm.RemoteData(
-            remote_path = scratch_address+model_offline,
-            computer=flexpart_code.computer)
+    if model_offline:
+        meteo_path_offline = orm.List([scratch_address+mod for mod in model_offline])
         builder.meteo_path_offline = meteo_path_offline
         builder.meteo_inputs_offline = orm.Dict(
         dict=read_yaml_data('inputs/meteo_inputs.yaml', names=[
-            model_offline,
-        ])[model_offline])
+            model_offline[-1],
+        ])[model_offline[-1]])
 
     builder.gribdir=orm.Str(scratch_address)
    
@@ -182,6 +178,11 @@ def test_run(flexpart_code):
         'target_base': f'/store/empa/em05/{username}/aiida_stash',
         'stash_mode': StashMode.COPY.value,
     }
+
+    #change wall time for cosom and ifs in seconds
+    builder.flexpart.metadata.options.max_wallclock_seconds = 1800
+    #builder.flexpartifs.metadata.options.max_wallclock_seconds = 2700
+
     engine.run(builder)
 
 
diff --git a/examples/inputs/location_groups.yaml b/examples/inputs/location_groups.yaml
index f0b5b76..7223075 100644
--- a/examples/inputs/location_groups.yaml
+++ b/examples/inputs/location_groups.yaml
@@ -1,2 +1,5 @@
-group-name1:
-  - location1
\ No newline at end of file
+group-name-1:
+  - TEST_32
+group-name-2:
+  - TEST_32
+  - TEST_200
\ No newline at end of file