diff --git a/definitions/grib2/name.def b/definitions/grib2/name.def
index 41c80800b..c2200b5e4 100644
--- a/definitions/grib2/name.def
+++ b/definitions/grib2/name.def
@@ -16145,6 +16145,12 @@
 	 parameterCategory = 0 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb temperature
+'Wet-bulb temperature' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 27 ;
+	}
 #Sea ice thickness
 'Sea ice thickness' = {
 	 discipline = 10 ;
diff --git a/definitions/grib2/paramId.def b/definitions/grib2/paramId.def
index d7d685d3c..1642f2272 100644
--- a/definitions/grib2/paramId.def
+++ b/definitions/grib2/paramId.def
@@ -16145,6 +16145,12 @@
 	 parameterCategory = 0 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb temperature
+'261023' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 27 ;
+	}
 #Sea ice thickness
 '262000' = {
 	 discipline = 10 ;
diff --git a/definitions/grib2/shortName.def b/definitions/grib2/shortName.def
index e59a42ae4..c16dd02a6 100644
--- a/definitions/grib2/shortName.def
+++ b/definitions/grib2/shortName.def
@@ -16145,6 +16145,12 @@
 	 parameterCategory = 0 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb temperature
+'wbt' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 27 ;
+	}
 #Sea ice thickness
 'sithick' = {
 	 discipline = 10 ;
diff --git a/definitions/grib2/units.def b/definitions/grib2/units.def
index 603622e38..ede068ffb 100644
--- a/definitions/grib2/units.def
+++ b/definitions/grib2/units.def
@@ -16145,6 +16145,12 @@
 	 parameterCategory = 0 ;
 	 parameterNumber = 32 ;
 	}
+#Wet-bulb temperature
+'K' = {
+	 discipline = 0 ;
+	 parameterCategory = 0 ;
+	 parameterNumber = 27 ;
+	}
 #Sea ice thickness
 'm' = {
 	 discipline = 10 ;