diff --git a/environment.yml b/environment.yml
index dd8d389..c8189f8 100644
--- a/environment.yml
+++ b/environment.yml
@@ -9,5 +9,10 @@ dependencies:
 - jinja2
 - click
 - psutil
+- intake
+- intake-esm
+- pydantic<2
+- requests
+- aiohttp
 # tests
 - pytest
diff --git a/requirements.txt b/requirements.txt
index 01cdf08..6cba2cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,8 @@ click
 jinja2
 psutil
 pywps>=4.5.1,<4.6
+intake
+intake-esm
+pydantic<2
+requests
+aiohttp
diff --git a/shearwater/processes/__init__.py b/shearwater/processes/__init__.py
index 437441e..9b86ef1 100644
--- a/shearwater/processes/__init__.py
+++ b/shearwater/processes/__init__.py
@@ -1,5 +1,7 @@
 from .wps_say_hello import SayHello
+from .wps_cyclone import Cyclone
 
 processes = [
     SayHello(),
+    Cyclone(),
 ]
diff --git a/shearwater/processes/wps_cyclone.py b/shearwater/processes/wps_cyclone.py
new file mode 100644
index 0000000..758d7ba
--- /dev/null
+++ b/shearwater/processes/wps_cyclone.py
@@ -0,0 +1,78 @@
+from pywps import Process, LiteralInput, LiteralOutput
+from pywps.app.Common import Metadata
+# from datetime import datetime
+
+import intake
+
+import logging
+LOGGER = logging.getLogger("PYWPS")
+
+
+class Cyclone(Process):
+    """A process to forecast tropical cyclone activities."""
+    def __init__(self):
+        inputs = [
+            LiteralInput('model', 'Model name',
+                         abstract='trained ML model ...: CNN, Unet',
+                         # keywords=['name', 'firstname'],
+                         default='CNN',
+                         # allowed_values=['CNN', 'Unet'],
+                         data_type='string'),
+            LiteralInput('start_day', 'Start Day',
+                         abstract='2023-10-12',
+                         # keywords=['name', 'firstname'],
+                         # default=f"{datetime.today()}",
+                         data_type='string'),
+        ]
+        outputs = [
+            LiteralOutput('output', 'Cyclone activity forecast',
+                          abstract='netcdf',
+                          # keywords=['output', 'result', 'response'],
+                          data_type='string'),
+            LiteralOutput('output_csv', 'Cyclone activity forecast',
+                          abstract='csv file',
+                          # keywords=['output', 'result', 'response'],
+                          data_type='string')
+        ]
+
+        super(Cyclone, self).__init__(
+            self._handler,
+            identifier='cyclone',
+            title='Cyclone',
+            abstract='A process to forecast tropical cyclone activities.',
+            # keywords=['hello', 'demo'],
+            metadata=[
+                Metadata('PyWPS', 'https://pywps.org/'),
+            ],
+            version='0.1',
+            inputs=inputs,
+            outputs=outputs,
+            store_supported=True,
+            status_supported=True
+        )
+
+    @staticmethod
+    def _handler(request, response):
+        LOGGER.info("running cyclone ...")
+
+        master_catalog = intake.open_catalog(["https://gitlab.dkrz.de/data-infrastructure-services/intake-esm/-/raw/master/esm-collections/cloud-access/dkrz_catalog.yaml"])  # noqa
+        # master_catalog = intake.open_catalog('/pool/data/Catalogs/dkrz_catalog.yaml')
+        era5_catalog = master_catalog['dkrz_era5_disk']
+
+        query = {
+            'era_id': 'ET',
+            'level_type': 'surface',
+            'table_id': 128,
+            # 'frequency':'hourly',
+            'code': 34,
+            'dataType': 'an',
+            'validation_date': '2023-06-27',
+        }
+
+        my_catalog = era5_catalog.search(**query)
+        # my_catalog.df
+
+        era_path = my_catalog.df['uri'].iloc[0]
+        response.outputs['output'].data = f'netcdf {era_path}'
+        response.outputs['output_csv'].data = 'csv ' + request.inputs['model'][0].data
+        return response
diff --git a/tests/test_wps_caps.py b/tests/test_wps_caps.py
index cedde26..0e1c131 100644
--- a/tests/test_wps_caps.py
+++ b/tests/test_wps_caps.py
@@ -12,5 +12,6 @@ def test_wps_caps():
                             '/wps:Process'
                             '/ows:Identifier')
     assert sorted(names.split()) == [
+        'cyclone',
         'hello',
     ]