the snow howled
It does not really mean anything. It is more like a symbol of him. It is meant to warn and scare katniss
Drifted snow is like a soft, white blanket covering the earth, creating a peaceful and serene landscape.
That makes no sense, reword your question.
white as snow
No, not on its own. Metaphor depends on context; how you use it makes it one.
Snow-White and Rose-Red, not to be confused with Snow White and the Seven Dwarfs
a lot of snow
That is not a metaphor. "The snow was a dirty blanket over the parking lot" would be a metaphor. It is a figure of speech that compares two very different things- snow and a blanket.
It is a simile because it uses the word an. Haha, I had the excact same question on my grammer worksheet in school. \ / _
There's a difference between Snow White and the Seven Dwarves and Snow White and Rose Red. The second version is about two sisters.
Do you mean Rose? She meets Pinkie in Snow's Café while she is serving him.