The devastation in Texas Hill Country isn't the first time Americans have mourned the victims of deadly floodwaters.

Powerful storm causes mudslides in California, threatens outbreak of tornadoes and wildfires across US this week ...

Worst case scenario: “The worst would be a debris flow that’s several feet deep, that closes roads in the area, ... There's a long history of mudslides in the area, ...

Powerful storm causes mudslides in California, threatens outbreak of tornadoes and wildfires across US this week By Mary Gilbert and Karina Tsui , CNN 5 minute read ...