A scale that ranks snowfall events in the northeastern United States in terms of their impact on society as a whole. The formula used is a function of the area covered by the snowstorm, the amount of snow, and the total population living within the path of the storm. The ranking is: Extreme, Crippling, Major, Significant, and Notable. Events such as those of 12 –14 March 1993 and 6–8 January 1996 rate as ‘Extreme’.
Subjects: Meteorology and Climatology.