An expansive storm system is swirling through the central United States and unleashing a kitchen sink of weather woes — tornadoes and flooding are possible in Texas and Oklahoma, and heavy snow could accumulate up to 4 feet in spots across Colorado and New Mexico.

DENVER – One of the most significant snowstorms ever to impact the southern Rockies during November dropped feet of snow and hampered traffic along the Interstate 25 corridor in New Mexico and Colorado. Snow from the slow-moving storm system began ...