diff --git a/Environment/interpolator.xml b/Environment/interpolator.xml
index 4961afb3f..83057d1f1 100644
--- a/Environment/interpolator.xml
+++ b/Environment/interpolator.xml
@@ -126,6 +126,22 @@
     <filter-time>5</filter-time>
   </filter>
 
+  <filter>
+    <name>EnvironmentInterpolator:wind-from-down</name>
+    <input>
+      <expression>
+        <sum>
+          <property>/environment/thermal-lift-fps</property>
+          <property>/environment/ridge-lift-fps</property>
+          <property>/environment/local-weather-lift</property>
+        </sum>
+      </expression>
+    </input>
+    <output>/environment/wind-from-down-fps</output>
+    <type>exponential</type>
+    <filter-time>0.5</filter-time>
+  </filter>
+
   <filter>
     <name>EnvironmentInterpolator:turbulence-raw-magnitude</name>
     <enable>