diff --git a/definitions/grib2/localConcepts/ecmf/cfName.legacy.def b/definitions/grib2/localConcepts/ecmf/cfName.legacy.def
index 5716da4a0..c76b52c34 100644
--- a/definitions/grib2/localConcepts/ecmf/cfName.legacy.def
+++ b/definitions/grib2/localConcepts/ecmf/cfName.legacy.def
@@ -106,3 +106,9 @@
  parameterCategory = 210 ;
  parameterNumber = 74 ;
 }
+#Total column water vapour
+'lwe_thickness_of_atmosphere_mass_content_of_water_vapor' = {
+ discipline = 192 ;
+ parameterCategory = 128 ;
+ parameterNumber = 137 ;
+}
diff --git a/definitions/grib2/localConcepts/ecmf/cfVarName.legacy.def b/definitions/grib2/localConcepts/ecmf/cfVarName.legacy.def
index 5e390d001..2e3221acf 100644
--- a/definitions/grib2/localConcepts/ecmf/cfVarName.legacy.def
+++ b/definitions/grib2/localConcepts/ecmf/cfVarName.legacy.def
@@ -328,3 +328,9 @@
  parameterCategory = 128 ;
  parameterNumber = 205 ;
 }
+#Total column water vapour
+'tcwv' = {
+ discipline = 192 ;
+ parameterCategory = 128 ;
+ parameterNumber = 137 ;
+}
diff --git a/definitions/grib2/localConcepts/ecmf/name.legacy.def b/definitions/grib2/localConcepts/ecmf/name.legacy.def
index 9e75e7890..3fef17268 100644
--- a/definitions/grib2/localConcepts/ecmf/name.legacy.def
+++ b/definitions/grib2/localConcepts/ecmf/name.legacy.def
@@ -328,3 +328,9 @@
  parameterCategory = 128 ;
  parameterNumber = 205 ;
 }
+#Total column water vapour
+'Total column water vapour' = {
+ discipline = 192 ;
+ parameterCategory = 128 ;
+ parameterNumber = 137 ;
+}
diff --git a/definitions/grib2/localConcepts/ecmf/paramId.legacy.def b/definitions/grib2/localConcepts/ecmf/paramId.legacy.def
index b10e54cc1..9fd677221 100644
--- a/definitions/grib2/localConcepts/ecmf/paramId.legacy.def
+++ b/definitions/grib2/localConcepts/ecmf/paramId.legacy.def
@@ -328,3 +328,9 @@
  parameterCategory = 128 ;
  parameterNumber = 205 ;
 }
+#Total column water vapour
+'137' = {
+ discipline = 192 ;
+ parameterCategory = 128 ;
+ parameterNumber = 137 ;
+}
diff --git a/definitions/grib2/localConcepts/ecmf/shortName.legacy.def b/definitions/grib2/localConcepts/ecmf/shortName.legacy.def
index 4cf030b5e..8e130c8ab 100644
--- a/definitions/grib2/localConcepts/ecmf/shortName.legacy.def
+++ b/definitions/grib2/localConcepts/ecmf/shortName.legacy.def
@@ -328,3 +328,9 @@
  parameterCategory = 128 ;
  parameterNumber = 205 ;
 }
+#Total column water vapour
+'tcwv' = {
+ discipline = 192 ;
+ parameterCategory = 128 ;
+ parameterNumber = 137 ;
+}
diff --git a/definitions/grib2/localConcepts/ecmf/units.legacy.def b/definitions/grib2/localConcepts/ecmf/units.legacy.def
index 25f14cc73..8bbadca8f 100644
--- a/definitions/grib2/localConcepts/ecmf/units.legacy.def
+++ b/definitions/grib2/localConcepts/ecmf/units.legacy.def
@@ -328,3 +328,9 @@
  parameterCategory = 128 ;
  parameterNumber = 205 ;
 }
+#Total column water vapour
+'kg m**-2' = {
+ discipline = 192 ;
+ parameterCategory = 128 ;
+ parameterNumber = 137 ;
+}