This page is a temporary placeholder for archived snowstorm accumulation maps. These maps are contoured by hand using an aggregate of sources (CoCoRAHS, COOP, WBAN/ASOS) and NWS public storm reports when available (generally from 2000 onward). High elevation with lack of snow data is accounted for by factoring in the correlation between snow and elevation, and the predominant wind direction. Maps before 2000 are considered experimental, applying biases of modern snow-recording sites prior to their existence.
Use the dropdown menu to select a winter season to view available events for, and use the right/left keyboard arrows to toggle between events. Click on the image to enlarge.
Snow maps for the current winter (2018-2019) are considered preliminary and may be revised as additional CoCoRAHS/COOP snowfall reports are added.
Select a season: