In March of 2019 -- several major avalanches happened in the Colorado High Country. A natural slide closed I-70 for the first time in many years. Another -- triggered by CDOT -- also closed the highway for a few hours. Fox31's Kirk Yuhnke and KWGN meteorologist and outdoor enthusiast Chris Tomer examine the real-life danger of avalanches, what triggers, them, and how to avoid avalanche-prone areas.

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