Comparing: Rare coast-to-coast cold snap to engulf Lower 48 late next week

https://www.washingtonpost.com/news/capital-weather-gang/wp/2016/12/29/rare-coast-to-coast-cold-snap-to-engulf-lower-48-late-next-week/

• Pink: Archived December 29, 2016 at 3:54pm EDT
• Green: Archived December 29, 2016 at 10:03pm EDT

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