A **Blue Norther** (also called a Texas Norther) is a dramatic, fast-moving cold front most associated with Texas and the southern Great Plains. It brings a sudden, sharp plunge in temperature—often 20–40°F
- A strikingly clear, deep blue sky that often appears right behind the front once the clouds blow through, allowing intense radiational cooling at night.
- A strikingly clear, deep blue sky that often appears right behind the front once the clouds blow through, allowing intense radiational cooling at night.