Snow is white, cold and very slippery when compact and turned into ice. We've had some very cold weather the past few days, bad enough for snow to stay on the ground as temperatures barely creep above 0c.
Scratchit: But he's a cripple!
Blackadder: He's not a cripple, Mrs Scratchit. Occasionally saying "Phew! My leg hurts!" when he remembers to wouldn't fool Baldrick!