 metfiles = self.get_gdas_metfiles(date)
                
            metfiles = [self.metdir + filename for filename in metfiles]
            self.create_control_file(
                start_time, metfiles, outfile, vertical=vertical, model_top=model_top
            )
            subprocess.call(self.exe)
        return self

    def create_control_file(
        self, start_time, metfiles, outfile, vertical=0, model_top=10000.0
    ):
        with open(self.workpath + &#34;CONTROL&#34;, &#34;w&#34;) as raus