diff --git a/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/controlDict b/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/controlDict
index 85c578e863..3ff43ff256 100644
--- a/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/controlDict
+++ b/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/controlDict
@@ -50,13 +50,16 @@ runTimeModifiable yes;
 functions
 {
     #include "sampleDict"
+    #include "sampleIso"
+    #include "samplePlanes"
 
     minMax
     {
-      type          fieldMinMax;
-      libs          (fieldFunctionObjects);
-      writeControl  writeTime;
-      fields        (U);
+        type    fieldMinMax;
+        libs    (fieldFunctionObjects);
+
+        writeControl    writeTime;
+        fields          (U);
     }
 }
 
diff --git a/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/sampleIso b/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/sampleIso
new file mode 100644
index 0000000000..8a5e63946b
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/sampleIso
@@ -0,0 +1,25 @@
+// -*- C++ -*-
+
+sampleIso
+{
+    type    surfaces;
+    libs    (sampling);
+
+    writeControl    writeTime;
+    surfaceFormat   vtk;
+    fields          (U k epsilon nut);
+
+    surfaces
+    {
+        envelope
+        {
+            type        isoSurface;
+            isoMethod   topo;
+            isoField    k;
+            isoValues   (1.28 1.29 1.30 1.31 1.32 1.33);
+        }
+    }
+}
+
+
+// *********************************************************************** //
diff --git a/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/samplePlanes b/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/samplePlanes
new file mode 100644
index 0000000000..d2b8986df9
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/HargreavesWright_2007/system/samplePlanes
@@ -0,0 +1,30 @@
+// -*- C++ -*-
+
+samplePlanes
+{
+    type    surfaces;
+    libs    (sampling);
+
+    writeControl    writeTime;
+    surfaceFormat   vtk;
+    fields          (U k epsilon nut);
+
+    surfaces
+    {
+        planes
+        {
+            type        cuttingPlane;
+            planeType   pointAndNormal;
+            pointAndNormalDict
+            {
+                point   (1e-8 0 0);  // slightly inside the domain
+                normal  (1 0 0);
+            }
+
+            offsets ( 500 1000 1500 2000 2500 3000 3500 4000 4500 );
+        }
+    }
+}
+
+
+// *********************************************************************** //