A radiation fog warning has been issued for large parts of California, affecting approximately 13 million residents. In this video, Lisa Cabrera explains the causes and effects of radiation fog, including its formation (1:45), affected regions in California (3:00), and necessary precautions to ensure public safety, especially for travelers and commuters. Learn how to stay safe during periods of low visibility, with essential safety tips (4:30) and understand what radiation fog is (0:30). Stay informed and up-to-date with the latest weather alerts, advisories, and news on California’s foggy conditions, commuter safety, and travel warnings.