Slideshow: Funnel cloud over Butte

POSTED: 10:46 PM Aug 22 2014

It doesn't happen often, but sometimes weaker thunderstorms can produce these swirling clouds in cool air. Since it never touched down it's not a tornado, but cold air funnels that do reach the ground are hardly ever rated more than an EF0 tornado; winds less than 85 mph. Multiple people saw the funnel this evening.

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