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What exactly is a trough?

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Posted at 10:16 AM, Dec 12, 2014
and last updated 2014-12-12 10:18:25-05

Troughs cause just as much weather as other more well-known features like fronts and pressure systems. They're an unsung hero in the meteorological world, so they deserve this spot as a weather word of the week.

We're looking at both common and uncommon weather terms and phenomena and educating you every Tuesday.

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