Severe Weather Threatens 17 States With Tornadoes and Flash Floods

Millions of people across 17 states are bracing for dangerous weather as a major storm system brings the dual threat of tornadoes and flash flooding. The severe weather outbreak is putting a vast swath of the country on high alert, with meteorologists warning of potentially significant impacts. Emergency officials are urging residents in affected areas to prepare for rapid-onset hazards that could develop with little warning.