diff --git a/definitions/grib2/cfVarName.def b/definitions/grib2/cfVarName.def
index c23e757c4..ab93cb803 100644
--- a/definitions/grib2/cfVarName.def
+++ b/definitions/grib2/cfVarName.def
@@ -3289,6 +3289,12 @@
 	 parameterCategory = 3 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb potential temperature
+'wbpt' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 32 ;
+	}
 #Sea ice thickness
 'sithick' = {
 	 discipline = 10 ;
diff --git a/definitions/grib2/name.def b/definitions/grib2/name.def
index ab1ac8934..a98012218 100644
--- a/definitions/grib2/name.def
+++ b/definitions/grib2/name.def
@@ -3289,6 +3289,12 @@
 	 parameterCategory = 3 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb potential temperature
+'Wet-bulb potential temperature' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 32 ;
+	}
 #Sea ice thickness
 'Sea ice thickness' = {
 	 discipline = 10 ;
diff --git a/definitions/grib2/paramId.def b/definitions/grib2/paramId.def
index a0fd243bc..ddffa4448 100644
--- a/definitions/grib2/paramId.def
+++ b/definitions/grib2/paramId.def
@@ -3289,6 +3289,12 @@
 	 parameterCategory = 3 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb potential temperature
+'261022' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 32 ;
+	}
 #Sea ice thickness
 '262000' = {
 	 discipline = 10 ;
diff --git a/definitions/grib2/shortName.def b/definitions/grib2/shortName.def
index a432ae5c6..4c7702fff 100644
--- a/definitions/grib2/shortName.def
+++ b/definitions/grib2/shortName.def
@@ -3289,6 +3289,12 @@
 	 parameterCategory = 3 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb potential temperature
+'wbpt' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 32 ;
+	}
 #Sea ice thickness
 'sithick' = {
 	 discipline = 10 ;
diff --git a/definitions/grib2/units.def b/definitions/grib2/units.def
index 2e78c8f86..987dcf86d 100644
--- a/definitions/grib2/units.def
+++ b/definitions/grib2/units.def
@@ -3289,6 +3289,12 @@
 	 parameterCategory = 3 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb potential temperature
+'K' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 32 ;
+	}
 #Sea ice thickness
 'm' = {
 	 discipline = 10 ;