One social media user filmed a video of a soap bubble freezing solid and then breaking in the dangerously cold weather that continued to shatter records across the midwest on Thursday, due to the polar vortex.
Chicago broke all-time low temperatures on Thursday morning, earning it the nickname Chiberia. There, the mercury dropped to -29C (-21F).
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Polar vortex: midwest to creep out of icy grip after record lows ► https://www.theguardian.com/us-news/2019/jan/31/polar-vortex-latest-weather-news-midwest-record-lows
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