Original vintage broadcasting trade magazine ad for WMAL-TV of Washington, DC. Weather or Not, Louis Allen Lets People Know About It. No ordinary weather reporter, Allen is recognized as one of the nation's leading weather scientists. In addition to his broadcast chores, he runs the highly successful Allen Weather Corporation. Louis Allen turns a weather eye on the Nation's Capital daily, and helps make WMAL Radio and WMAL TV the News Voice for the Nation's Capital. Old 1965 broadcasting industry advertisement.