US weather forecast: Record low temperatures caused by polar vortex ‘threaten 110 million Americans’

Life-threatening temperatures across the United States and a polar vortex in the Midwest is set to impact nearly 110 million Americans this week. The extreme cold and record-breaking temperatures are blasting a swathe of states spanning from North Dakota to Missouri and into Ohio after a powerful snowstorm pounded the region earlier this week. A blast of warm air from misplaced Moroccan heat last month made the normally super chilly air temperatures above the region rapidly increase.

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