Cold weather advisory explainer and what it means for central NC this week
In the Triangle, the criteria for a cold weather advisory is 5°, meanwhile, in the Sandhills, it is 10°. For an extreme cold watch or warning, the criteria is -5° in the Triangle, and 0° in the Sandhills. Watches would be issued farther in advance than warnings would be, just like with hurricanes or tornadoes.