Heavy thunderstorms moving across the eastern United States have prompted federal flood warnings for tens of millions of residents, with authorities anticipating significant rainfall and potential flash flooding from the nation’s capital region through southern New England. The National Weather Service has advised residents in affected areas to prepare for hazardous conditions, including possible road closures and localized flooding. Emergency management officials are urging vigilance as the storm system continues to track eastward.
Federal forecasters issued flood alerts for 39 million people late Saturday into Sunday as a line of thunderstorms developed from Washington, D.C., to New Haven, Connecticut.