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Blowing snow: Fallen snow that has been raised by the wind to a height of 6 feet or greater above the surface.
Drifting snow: Fallen snow that has been raised by the wind to a height less than 6 feet.
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Tom Skilling is chief meteorologist at WGN-TV. His forecasts can be seen Monday through Friday on WGN-TV News at noon and 9 p.m.
WGN-TV meteorologists Steve Kahn, Richard Koeneman and Paul Dailey plus weather producer Bill Snyder contribute to this page.
