The Pittsburgh area saw its first significant snowfall of the season on Tuesday. 🌨 The region saw about 3 to 4 inches of snow, according to the National Weather Service. Much of the snowfall occurred between 4 a.m. and 8 a.m., leading to flight delays or cancellations, and traffic headaches for morning commuters. Pittsburgh Public Schools closed, and hundreds of other schools in the region were also closed or operated on a delay. 📽: Post-Gazette staff Editing: Kristen Mohammadi/Post-Gazette #p