"A blanket of snow" is a common phrase used to describe the layer of frozen precipitation that covers the ground in winter. However, there are several synonyms that can be used to describe it, such as "a shroud of snow," "a veil of snow," "a cloak of snow," or "a mantle of snow." Each of these words adds a different level of imagery to the description of the snowfall. For example, "a shroud of snow" has a more ominous connotation, implying that the snow has covered something, while "a veil of snow" suggests a beautiful, delicate covering. Overall, there are many ways to describe the same phenomenon, and choosing the right words can add depth and nuance to one's writing.