The coldest air on Earth is heading straight for the Northeast — just in time for the holidays. 🥶 A powerful Arctic blast is surging into the region, bringing temperatures that could hit –30°F wind chills in some areas. Cities like New York, Boston, and Philadelphia are bracing for their coldest pre-Christmas conditions in years. This deep freeze is tied to a rare polar vortex disruption, and it’s not just cold — it’s dangerously cold. Frostbite risks, travel issues, and power outages are all i