I am using this example because there is a reasonable physical link between the two but the observational data does not support the link. (realclimate.org)
Dr. Christopher Landsea — past chairman of the American Meteorological Society's Committee on Tropical Meteorology and Tropical Cyclones — says «there are no known scientific studies that show a conclusive physical link between global warming and observed hurricane frequency and intensity.» (dotearth.blogs.nytimes.com)
It is hoped that EJN will address these major issues of questionable data use and interpretation, lack of a substantial physical link to the NAO, and neglect of previous work in the field. (aoml.noaa.gov)