A bus from the Northern Arizona Intergovernmental Public Transportation Authority (NAIPTA) turns toward downtowndowntown Flagstaff, Ariz., Friday, Nov. 29, 2019. A powerful storm making its way east from California is threatening major disruptions during the year’s busiest travel weekend, as forecasters warned that intensifying snow and ice could thwart millions across the country hoping to get home after Thanksgiving. . (Cody Bashore/Arizona Daily Sun via AP)