Meteorologists are warning that an incoming subzero cold snap comes with an increased risk of "exploding trees." Arborists say it's a real thing that

Forecasters warn an extreme winter storm could trigger rare “exploding trees” across the Upper Midwest as temperatures plunge below zero, causing sap inside trees to freeze and crack bark. The storm is expected to bring widespread snow,

Every time arctic air drops south, and temperatures plummet well below zero, social media lights up with a scary (and slightly cinematic) rumor called "exploding trees."