Changnon et al. (2006)
Also: Changnon et al. 2006
Temporal and Spatial Characteristics of Snowstorms in the Contiguous United States
Changnon, S.A., Changnon, D. & Karl, T.R. (2006). Temporal and Spatial Characteristics of Snowstorms in the Contiguous United States. Journal of Applied Meteorology and Climatology. 45(8),1141-1155. PDF
https://doi.org/10.1175/jam2395.1
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.