"It's not often we get into a flash flood emergency. It is very rare, but it means that we have a lot of roadways that are flooding. A lot of them will have a current to them, and we don't want people driving.

Emergency management officials reported flooding after a line of thunderstorms rolled through Central and South Texas before dawn on Friday.

Powerful storms and torrential rain are inundating the Heartland – including Kansas, where first responders in Wichita used a boat to save a driver that was surrounded by flood waters inside her car.