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Tidal wave: In popular usage, any unusually rapid and high (and therefore destructive) rise of water along a seashore, caused by underwater earthquakes, volcanoes or landslides. The term is a misnomer because tidal waves have nothing to do with tides.
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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.
