Step 1: Understanding the Question:
The question asks for the description of the falling snow as given in the poem.
Step 2: Locating the Information in the Passage:
The first three lines of the poem provide a clear description.
- Line 1: "When the snow's falling, it looks pretty"
- Lines 2-3: "It looks like a big white blanket / That covers all of New York state."
Step 3: Final Answer:
The poem uses two main descriptions for the falling snow: it looks pretty, and it resembles a large white blanket covering the landscape.