The American Meteorological Society (AMS) promotes the development and dissemination of information and education on the atmospheric and related oceanic and hydrologic sciences and the advancement of their professional applications. Founded in 1919, the American Meteorological Society has a membership of more than 11,000 professionals, professors, students, and weather enthusiasts. Some members have attained the designation Certified Consulting Meteorologist (CCM), many of whom have expertise in the applied meteorology discipline of atmospheric dispersion modeling. To the general public, the AMS is probably best known for its Seal of Approval granted to television and radio meteorologists.