diff --git a/definitions/grib2/name.def b/definitions/grib2/name.def
index b48d30341..b18d6180d 100644
--- a/definitions/grib2/name.def
+++ b/definitions/grib2/name.def
@@ -17495,6 +17495,22 @@
 	 typeOfFirstFixedSurface = 168 ;
 	 typeOfSecondFixedSurface = 168 ;
 	}
+#Northward mass transport
+'Northward mass transport' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
+#Eastward mass transport
+'Eastward mass transport' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
 #Net short wave radiation rate at sea surface
 'Net short wave radiation rate at sea surface' = {
 	 discipline = 0 ;
@@ -18640,6 +18656,24 @@
 	 typeOfSecondFixedSurface = 168 ;
 	 typeOfStatisticalProcessing = 0 ;
 	}
+#Time-mean northward mass transport
+'Time-mean northward mass transport' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
+#Time-mean eastward mass transport
+'Time-mean eastward mass transport' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
 #Time-mean net short wave radiation rate at sea surface
 'Time-mean net short wave radiation rate at sea surface' = {
 	 discipline = 0 ;
diff --git a/definitions/grib2/paramId.def b/definitions/grib2/paramId.def
index a912c14e6..b3c5e5cdb 100644
--- a/definitions/grib2/paramId.def
+++ b/definitions/grib2/paramId.def
@@ -17495,6 +17495,22 @@
 	 typeOfFirstFixedSurface = 168 ;
 	 typeOfSecondFixedSurface = 168 ;
 	}
+#Northward mass transport
+'262517' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
+#Eastward mass transport
+'262518' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
 #Net short wave radiation rate at sea surface
 '262900' = {
 	 discipline = 0 ;
@@ -18640,6 +18656,24 @@
 	 typeOfSecondFixedSurface = 168 ;
 	 typeOfStatisticalProcessing = 0 ;
 	}
+#Time-mean northward mass transport
+'263517' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
+#Time-mean eastward mass transport
+'263518' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
 #Time-mean net short wave radiation rate at sea surface
 '263900' = {
 	 discipline = 0 ;
diff --git a/definitions/grib2/shortName.def b/definitions/grib2/shortName.def
index 5931bb106..a2ba8f2d3 100644
--- a/definitions/grib2/shortName.def
+++ b/definitions/grib2/shortName.def
@@ -17495,6 +17495,22 @@
 	 typeOfFirstFixedSurface = 168 ;
 	 typeOfSecondFixedSurface = 168 ;
 	}
+#Northward mass transport
+'mtn' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
+#Eastward mass transport
+'mte' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
 #Net short wave radiation rate at sea surface
 'ssr_sea' = {
 	 discipline = 0 ;
@@ -18640,6 +18656,24 @@
 	 typeOfSecondFixedSurface = 168 ;
 	 typeOfStatisticalProcessing = 0 ;
 	}
+#Time-mean northward mass transport
+'avg_mtn' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
+#Time-mean eastward mass transport
+'avg_mte' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
 #Time-mean net short wave radiation rate at sea surface
 'avg_ssr_sea' = {
 	 discipline = 0 ;
diff --git a/definitions/grib2/units.def b/definitions/grib2/units.def
index ed0706bbd..e06de658e 100644
--- a/definitions/grib2/units.def
+++ b/definitions/grib2/units.def
@@ -17495,6 +17495,22 @@
 	 typeOfFirstFixedSurface = 168 ;
 	 typeOfSecondFixedSurface = 168 ;
 	}
+#Northward mass transport
+'kg m**-2 s**-1' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
+#Eastward mass transport
+'kg m**-2 s**-1' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	}
 #Net short wave radiation rate at sea surface
 'W m**-2' = {
 	 discipline = 0 ;
@@ -18640,6 +18656,24 @@
 	 typeOfSecondFixedSurface = 168 ;
 	 typeOfStatisticalProcessing = 0 ;
 	}
+#Time-mean northward mass transport
+'kg m**-2 s**-1' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 46 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
+#Time-mean eastward mass transport
+'kg m**-2 s**-1' = {
+	 discipline = 10 ;
+	 parameterCategory = 4 ;
+	 parameterNumber = 47 ;
+	 typeOfFirstFixedSurface = 168 ;
+	 typeOfSecondFixedSurface = 168 ;
+	 typeOfStatisticalProcessing = 0 ;
+	}
 #Time-mean net short wave radiation rate at sea surface
 'W m**-2' = {
 	 discipline = 0 ;