sponsored by the American Meteorological Society ; cosponsored by the Canadian Meteorological and Oceanographic Society. sponsored by the American Meteorological Society ; cosponsored by the American Statistical Association. sponsored by the American Meteorological Society ; cosponsored by the Air Pollution Control Association. sponsored by the American Meteorological Society ; cosponsored by American Geophysical Union...[et al.]. sponsored by World Meteorological Organization, American Meteorological Society, Canadian Meteorological and Oceanographic Society. sponsored by the American Meteorological Society ; cosponsored by the American Society of Civil Engineers, the Weather Modification Association. sponsored by the American Meteorological Society, the National Association of Science Writers.