diff --git a/schainpy/model/graphics/mpldriver.py b/schainpy/model/graphics/mpldriver.py
index c09ec41..b84fb1c 100644
--- a/schainpy/model/graphics/mpldriver.py
+++ b/schainpy/model/graphics/mpldriver.py
@@ -204,7 +204,7 @@ def createPcolor(ax, x, y, z, xmin, xmax, ymin, ymax, zmin, zmax,
 
     z = numpy.ma.masked_invalid(z)
     cmap=matplotlib.pyplot.get_cmap(colormap)
-    cmap.set_bad('white', 1.)
+    cmap.set_bad('black', 1.)
     imesh = ax.pcolormesh(x,y,z.T, vmin=zmin, vmax=zmax, cmap=cmap)
     cb =  matplotlib.pyplot.colorbar(imesh, cax=ax_cb)
     cb.set_label(cblabel)
@@ -264,7 +264,7 @@ def addpcolorbuffer(ax, x, y, z, zmin, zmax, xlabel='', ylabel='', title='', col
     z = numpy.ma.masked_invalid(z)
 
     cmap=matplotlib.pyplot.get_cmap(colormap)
-    cmap.set_bad('white', 1.)
+    cmap.set_bad('black', 1.)
 
 
     ax.pcolormesh(x,y,z.T,vmin=zmin,vmax=zmax, cmap=cmap)
diff --git a/schainpy/model/proc/jroproc_parameters.py b/schainpy/model/proc/jroproc_parameters.py
index ee2b423..3111353 100644
--- a/schainpy/model/proc/jroproc_parameters.py
+++ b/schainpy/model/proc/jroproc_parameters.py
@@ -1038,7 +1038,7 @@ class WindProfiler(Operation):
 
         return data_output
 
-    def run(self, dataOut, technique, **kwargs):
+    def run(self, dataOut, technique, hmin=70, hmax=110, nHours=1, **kwargs):
 
         param = dataOut.data_param
         if dataOut.abscissaList != None: