Change from web bulb to wet bulb

Unidata · Mar 17, 2017 · 1045e92 · 1045e92
1 parent 43d3a98
commit 1045e92
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/metpy/calc/tests/test_thermo.py b/metpy/calc/tests/test_thermo.py
@@ -270,12 +270,13 @@ def test_wet_psychrometric_rh():
                                                            wet_bulb_temperature, p)
     assert_almost_equal(psychrometric_rh, 82.8747 * units.percent, 3)
 
+
 def test_wet_psychrometric_rh_kwargs():
     """Test calculation of relative humidity from wet and dry bulb temperatures."""
     p = 1013.25 * units.mbar
     dry_bulb_temperature = 20. * units.degC
     wet_bulb_temperature = 18. * units.degC
-    coeff = 6.1e-4 /units.kelvin
+    coeff=6.1e-4 /units.kelvin
     psychrometric_rh = relative_humidity_wet_psychrometric(dry_bulb_temperature,
                                                            wet_bulb_temperature, p,
                                                            psychrometer_coefficient=coeff)

diff --git a/metpy/calc/thermo.py b/metpy/calc/thermo.py
@@ -714,7 +714,7 @@ def relative_humidity_wet_psychrometric(dry_bulb_temperature, web_bulb_temperatu
 
 
 @exporter.export
-def psychrometric_vapor_pressure_wet(dry_bulb_temperature, web_bulb_temperature, pressure,
+def psychrometric_vapor_pressure_wet(dry_bulb_temperature, wet_bulb_temperature, pressure,
                                      psychrometer_coefficient=6.21e-4 / units.kelvin):
     r"""Calculate the vapor pressure with wet bulb and dry bulb temperatures.
 
@@ -763,5 +763,5 @@ def psychrometric_vapor_pressure_wet(dry_bulb_temperature, web_bulb_temperature,
     --------
     saturation_vapor_pressure
     """
-    return (saturation_vapor_pressure(web_bulb_temperature) - psychrometer_coefficient *
-            pressure * (dry_bulb_temperature - web_bulb_temperature).to('kelvin'))
+    return (saturation_vapor_pressure(wet_bulb_temperature) - psychrometer_coefficient *
+            pressure * (dry_bulb_temperature - wet_bulb_temperature).to('kelvin'))