Snowfall and snow cover are among the most important climatic elements of the cold season in the northeastern region of the United States. The presence and amount of snow affects a wide variety of enterprises. The Northeast Regional Climate Center (NRCC) receives large numbers of requests for information concerning snowfall and snow depth. Those requesting information represents a diverse group of professionals: consulting engineers, law enforcement officials, transportation interests, attorneys, meteorological researchers, insurance companies, and others. In responding to these requests, it became apparent that a detailed and comprehensive presentation of the climatology of snowfall and snow depth for the Northeast would be helpful to a wide spectrum of users in government, industry and research.
The snowfall and snow depth climatology of the Northeast for the recent past is depicted in maps of four kinds:
Maps of type (1) can be used to estimate probabilities for given monthly or winter total snowfalls. Maps of type (2) can be used in the same way, with respect to the single day during a given winter with the deepest snow cover. Maps of type (3) and (4) can be used to estimate probabilities for particular depths of snowfall and snow cover, respectively, on individual days throughout the winter.
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