   if self.met_type == &#34;ncep_old&#34;:
                metfiles = self.get_old_ncep_metfiles(date)

            if self.met_type == &#34;ncep_new&#34;:
                metfiles = self.get_new_ncep_metfiles(date)

            if self.met_type == &#34;gdas_1&#34;:
                metfiles = self.get_gdas_metfiles(date)
                
            metfiles = [self.metdir + filename for filename in metfiles]
            self.create_control_file(
                start_time, metfiles, outfile, vertical=verti