diff --git a/iris_grib/_grib1_load_rules.py b/iris_grib/_grib1_load_rules.py
index 30d36655..fd537442 100644
--- a/iris_grib/_grib1_load_rules.py
+++ b/iris_grib/_grib1_load_rules.py
@@ -238,9 +238,9 @@ def add_bounded_time_coords(aux_coords_and_dims, grib):
if \
(grib.levelType == 'ml') and \
(hasattr(grib, 'pv')):
- aux_coords_and_dims.append((AuxCoord(grib.level, standard_name='model_level_number', attributes={'positive': 'up'}), None))
+ aux_coords_and_dims.append((AuxCoord(grib.level, standard_name='model_level_number', units=1, attributes={'positive': 'up'}), None))
aux_coords_and_dims.append((DimCoord(grib.pv[grib.level], long_name='level_pressure', units='Pa'), None))
- aux_coords_and_dims.append((AuxCoord(grib.pv[grib.numberOfCoordinatesValues//2 + grib.level], long_name='sigma'), None))
+ aux_coords_and_dims.append((AuxCoord(grib.pv[grib.numberOfCoordinatesValues//2 + grib.level], long_name='sigma', units=1), None))
factories.append(Factory(HybridPressureFactory, [{'long_name': 'level_pressure'}, {'long_name': 'sigma'}, Reference('surface_pressure')]))
if grib._originatingCentre != 'unknown':
diff --git a/iris_grib/_load_convert.py b/iris_grib/_load_convert.py
index 9f5410ad..1239ac91 100644
--- a/iris_grib/_load_convert.py
+++ b/iris_grib/_load_convert.py
@@ -1542,7 +1542,7 @@ def hybrid_factories(section, metadata):
# Create the model level number scalar coordinate.
scaledValue = section['scaledValueOfFirstFixedSurface']
coord = DimCoord(scaledValue, standard_name='model_level_number',
- attributes=dict(positive='up'))
+ units=1, attributes=dict(positive='up'))
metadata['aux_coords_and_dims'].append((coord, None))
if typeOfFirstFixedSurface == 118:
@@ -1573,7 +1573,7 @@ def hybrid_factories(section, metadata):
metadata['aux_coords_and_dims'].append((coord, None))
# Create the sigma scalar coordinate.
offset = NV // 2 + scaledValue
- coord = AuxCoord(pv[offset], long_name='sigma')
+ coord = AuxCoord(pv[offset], long_name='sigma', units=1)
metadata['aux_coords_and_dims'].append((coord, None))
# Create the associated factory reference.
factory = Factory(factory_class, factory_args)
@@ -2283,19 +2283,22 @@ def satellite_common(section, metadata):
if NB > 0:
# Create the satellite series coordinate.
satelliteSeries = section['satelliteSeries']
- coord = AuxCoord(satelliteSeries, long_name='satellite_series')
+ coord = AuxCoord(satelliteSeries, long_name='satellite_series',
+ units=1)
# Add the satellite series coordinate to the metadata aux coords.
metadata['aux_coords_and_dims'].append((coord, None))
# Create the satellite number coordinate.
satelliteNumber = section['satelliteNumber']
- coord = AuxCoord(satelliteNumber, long_name='satellite_number')
+ coord = AuxCoord(satelliteNumber, long_name='satellite_number',
+ units=1)
# Add the satellite number coordinate to the metadata aux coords.
metadata['aux_coords_and_dims'].append((coord, None))
# Create the satellite instrument type coordinate.
instrumentType = section['instrumentType']
- coord = AuxCoord(instrumentType, long_name='instrument_type')
+ coord = AuxCoord(instrumentType, long_name='instrument_type',
+ units=1)
# Add the instrument type coordinate to the metadata aux coords.
metadata['aux_coords_and_dims'].append((coord, None))
diff --git a/iris_grib/tests/results/integration/load_convert/data_section/TestGDT30/lambert.cml b/iris_grib/tests/results/integration/load_convert/data_section/TestGDT30/lambert.cml
index 215a0de8..dff111dc 100644
--- a/iris_grib/tests/results/integration/load_convert/data_section/TestGDT30/lambert.cml
+++ b/iris_grib/tests/results/integration/load_convert/data_section/TestGDT30/lambert.cml
@@ -15,16 +15,16 @@
-
-
+
-
-
+
diff --git a/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib1.cml b/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib1.cml
index 74fe0a27..56e96e7a 100644
--- a/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib1.cml
+++ b/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib1.cml
@@ -16,16 +16,16 @@
-
-
+
-
-
+
diff --git a/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib2.cml b/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib2.cml
index dc938f0a..813553b5 100644
--- a/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib2.cml
+++ b/iris_grib/tests/results/integration/load_convert/sample_file_loads/lambert_grib2.cml
@@ -15,16 +15,16 @@
-
-
+
-
-
+
diff --git a/iris_grib/tests/unit/grib1_load_rules/test_grib1_convert.py b/iris_grib/tests/unit/grib1_load_rules/test_grib1_convert.py
index b8e990bb..92422714 100644
--- a/iris_grib/tests/unit/grib1_load_rules/test_grib1_convert.py
+++ b/iris_grib/tests/unit/grib1_load_rules/test_grib1_convert.py
@@ -116,20 +116,17 @@ def test_grib1_hybrid_height(self):
self.assertEqual(sigma, {'long_name': 'sigma'})
self.assertEqual(ref, Reference(name='surface_pressure'))
- ml_ref = iris.coords.CoordDefn('model_level_number', None, None,
- cf_units.Unit('1'),
- {'positive': 'up'}, None, False)
- lp_ref = iris.coords.CoordDefn(None, 'level_pressure', None,
- cf_units.Unit('Pa'),
- {}, None, False)
- s_ref = iris.coords.CoordDefn(None, 'sigma', None,
- cf_units.Unit('1'),
- {}, None, False)
-
- aux_coord_defns = [coord._as_defn() for coord, dim in results[8]]
- self.assertIn(ml_ref, aux_coord_defns)
- self.assertIn(lp_ref, aux_coord_defns)
- self.assertIn(s_ref, aux_coord_defns)
+ coords_and_dims = results[8]
+ coord, = [co for co, _ in coords_and_dims
+ if co.name() == 'model_level_number']
+ self.assertEqual(coord.units, '1')
+ self.assertEqual(coord.attributes['positive'], 'up')
+ coord, = [co for co, _ in coords_and_dims
+ if co.name() == 'level_pressure']
+ self.assertEqual(coord.units, 'Pa')
+ coord, = [co for co, _ in coords_and_dims
+ if co.name() == 'sigma']
+ self.assertEqual(coord.units, '1')
if __name__ == "__main__":
diff --git a/iris_grib/tests/unit/load_convert/test_satellite_common.py b/iris_grib/tests/unit/load_convert/test_satellite_common.py
index edcdd2e2..d2814ddc 100644
--- a/iris_grib/tests/unit/load_convert/test_satellite_common.py
+++ b/iris_grib/tests/unit/load_convert/test_satellite_common.py
@@ -43,11 +43,11 @@ def _check(self, factors=1, values=111):
# Check the result.
expected = empty_metadata()
- coord = AuxCoord(series, long_name='satellite_series')
+ coord = AuxCoord(series, long_name='satellite_series', units=1)
expected['aux_coords_and_dims'].append((coord, None))
- coord = AuxCoord(number, long_name='satellite_number')
+ coord = AuxCoord(number, long_name='satellite_number', units=1)
expected['aux_coords_and_dims'].append((coord, None))
- coord = AuxCoord(instrument, long_name='instrument_type')
+ coord = AuxCoord(instrument, long_name='instrument_type', units=1)
expected['aux_coords_and_dims'].append((coord, None))
standard_name = 'sensor_band_central_radiation_wavenumber'
coord = AuxCoord(values / (10.0 ** factors),