03/18/2010 05:12 am ET Updated May 25, 2011

Christmas Snow Map: Where Snow Is Most Likely

(Dec. 11) -- The weather might seem complex, but the recipe for snow isn't as complicated as the recipe for Grandma's fruitcake. All that's needed is cold air and precipitation, and both look potentially abundant throughout the rest of the month, leading to the possibility of a more widespread white Christmas in 2009 than in recent years.

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