diff --git a/lib/xmet/sounding.py b/lib/xmet/sounding.py
index 913c454..c24e166 100644
--- a/lib/xmet/sounding.py
+++ b/lib/xmet/sounding.py
@@ -185,6 +185,14 @@ class Sounding(DatabaseTable):
 
         return series
 
+    def follow_dewpoint(self) -> Series:
+        series = Series()
+
+        for sample in self.samples:
+            series[sample.pressure] = sample.dewpoint
+
+        return series
+
 def between(n, a, b):
     return n > a and n < b