- Over 95 million Americans on alert for brutal cold temperatures in coming days ABC News
- Winter weather brings winter storm warnings, polar vortex from Texas to Maine USA TODAY
- Extreme cold forecast for much of US in coming days, including unusual snow in the Gulf Coast area The Associated Press
- Arctic cold weather: Preparations made as U.S. braces for freezing temperatures, snow NBC News
- A polar vortex is set to grip much of the U.S. What does that mean? NPR