diff --git a/src/metpy/units.py b/src/metpy/units.py
index 9ae7c2c7071..a69afd29028 100644
--- a/src/metpy/units.py
+++ b/src/metpy/units.py
@@ -82,6 +82,7 @@ def setup_registry(reg):
                '= degreeN')
     reg.define('degrees_east = degree = degrees_E = degreesE = degree_east = degree_E '
                '= degreeE')
+    reg.define('dBZ = 1 ; logbase: 10; logfactor: 10')
 
     # Alias geopotential meters (gpm) to just meters
     reg.define('@alias meter = gpm')
diff --git a/tests/units/test_units.py b/tests/units/test_units.py
index c1830a63560..9f37bff2272 100644
--- a/tests/units/test_units.py
+++ b/tests/units/test_units.py
@@ -176,6 +176,7 @@ def test_added_degrees_units():
     assert units('degrees_north').to_base_units().units == units.radian
     assert units('degrees_east') == units('degrees')
     assert units('degrees_east').to_base_units().units == units.radian
+    assert units("dBZ") == units("dB")
 
 
 def test_is_quantity():