A storm system sweeping over large areas of the U.S. South and Midwest has resulted in at least 16 deaths, with overnight tornado and flash flood warnings setting up more severe weather that forecasters say could cause rising waterways for days to come. Many of the impacted areas already were heavily waterlogged by early Sunday after days of severe storms that spawned deadly tornadoes. The Dawson Springs Police Department in Dawson Springs, Kentucky, sharing video on its Facebook page Saturday, called the flooding there “unprecedented.” “Keep in mind folks, there is still more rain to come,” the post read, with video showing much of the small town nearly submerged. New tornado warnings were issued overnight in Alabama and Mississippi, along with flash flood warnings for several counties in Kentucky, Mississippi and Tennessee. The storms have hit as National Weather Service offices are short-staffed due to Trump administration cuts.