diff --git a/ice_ocean_SIS2/SIS2/SIS.available_diags b/ice_ocean_SIS2/SIS2/SIS.available_diags
index d3f900498..7f4816c33 100644
--- a/ice_ocean_SIS2/SIS2/SIS.available_diags
+++ b/ice_ocean_SIS2/SIS2/SIS.available_diags
@@ -237,9 +237,6 @@
 "ice_model", "sivol"  [Unused]
     ! long_name: ice volume
     ! units: m-ice
-"ice_model", "sivol_CMOR"  [Unused]
-    ! long_name: Sea-ice Volume per Area
-    ! units: m-ice
 "ice_model", "sisnconc"  [Unused]
     ! long_name: snow concentration
     ! units: 0-1
@@ -287,8 +284,11 @@
     ! long_name: ice mass
     ! units: kg/m^2
 "ice_model", "simass_n"  [Unused]
-    ! long_name: ice mass
+    ! long_name: ice mass in categories
     ! units: kg/m^2
+"ice_model", "siitdthick"  [Unused]
+    ! long_name: ice thickness in categories
+    ! units: m-ice
 "ice_model", "sisnmass"  [Unused]
     ! long_name: snow mass
     ! units: kg/m^2
diff --git a/ice_ocean_SIS2/SIS2_bergs_cgrid/SIS.available_diags b/ice_ocean_SIS2/SIS2_bergs_cgrid/SIS.available_diags
index 68e319882..4b0915745 100644
--- a/ice_ocean_SIS2/SIS2_bergs_cgrid/SIS.available_diags
+++ b/ice_ocean_SIS2/SIS2_bergs_cgrid/SIS.available_diags
@@ -384,9 +384,6 @@
 "ice_model", "sivol"  [Unused]
     ! long_name: ice volume
     ! units: m-ice
-"ice_model", "sivol_CMOR"  [Unused]
-    ! long_name: Sea-ice Volume per Area
-    ! units: m-ice
 "ice_model", "sisnconc"  [Unused]
     ! long_name: snow concentration
     ! units: 0-1
@@ -434,8 +431,11 @@
     ! long_name: ice mass
     ! units: kg/m^2
 "ice_model", "simass_n"  [Unused]
-    ! long_name: ice mass
+    ! long_name: ice mass in categories
     ! units: kg/m^2
+"ice_model", "siitdthick"  [Unused]
+    ! long_name: ice thickness in categories
+    ! units: m-ice
 "ice_model", "sisnmass"  [Unused]
     ! long_name: snow mass
     ! units: kg/m^2
diff --git a/ice_ocean_SIS2/SIS2_cgrid/SIS.available_diags b/ice_ocean_SIS2/SIS2_cgrid/SIS.available_diags
index 3350e00b9..d32d84d2d 100644
--- a/ice_ocean_SIS2/SIS2_cgrid/SIS.available_diags
+++ b/ice_ocean_SIS2/SIS2_cgrid/SIS.available_diags
@@ -375,9 +375,6 @@
 "ice_model", "sivol"  [Unused]
     ! long_name: ice volume
     ! units: m-ice
-"ice_model", "sivol_CMOR"  [Unused]
-    ! long_name: Sea-ice Volume per Area
-    ! units: m-ice
 "ice_model", "sisnconc"  [Unused]
     ! long_name: snow concentration
     ! units: 0-1
@@ -425,8 +422,11 @@
     ! long_name: ice mass
     ! units: kg/m^2
 "ice_model", "simass_n"  [Unused]
-    ! long_name: ice mass
+    ! long_name: ice mass in categories
     ! units: kg/m^2
+"ice_model", "siitdthick"  [Unused]
+    ! long_name: ice thickness in categories
+    ! units: m-ice
 "ice_model", "sisnmass"  [Unused]
     ! long_name: snow mass
     ! units: kg/m^2
diff --git a/src/SIS2 b/src/SIS2
index 5e59e4324..e41a21555 160000
--- a/src/SIS2
+++ b/src/SIS2
@@ -1 +1 @@
-Subproject commit 5e59e43247ac9920e5a355406e41f2168318ff2a
+Subproject commit e41a21555cce19419983e39560572002fa62cde5