From what I understand the Blazing blizzards are more pinkish white and regular blizzards are more greyish white. I can't tell from that picture though.
It's hard to tell, what do her eyes look like?
Blazing blizzard are just blizzards crossed with an albino strain, and their eyes are supposed to be the type of eye the albino has.
Blazings are supposed to be more pink, but there are tons of blizzards with a pink hue, so it's hard to tell.