diff --git a/lib/xmet/sounding.py b/lib/xmet/sounding.py
index 647db39..b890b03 100644
--- a/lib/xmet/sounding.py
+++ b/lib/xmet/sounding.py
@@ -13,7 +13,8 @@ from xmet.thermo import follow_dry_adiabat, \
                         pressure_height, \
                         virtual_temp, \
                         kelvin, \
-                        wind_uv
+                        wind_uv, \
+                        wind_speed_dir
 
 from xmet.units import deg
 
@@ -246,10 +247,7 @@ class Sounding(DatabaseTable):
             shear_u += shear[0]
             shear_v += shear[1]
 
-        return (
-            shear_u / levels,
-            shear_v / levels
-        )
+        return wind_speed_dir(shear_u / levels, shear_v / levels)
 
 def between(n, a, b):
     return n > a and n < b