A new report has found that officials in Kerr County, Texas, did not use technology that would have sent lifesaving emergency messages to everyone in the vicinity of the Guadalupe River as it flood 4.

After hours of waiting and praying in the attic, the water stopped rising and the family was rescued. A first responder helped Matteson, wearing a navy and pink floral dress and quilted white jacket, into the back of a car. Her family survived. Their home was not so lucky.

The Texas Hill Country has been notorious for flash floods caused by the Guadalupe River. Here's why the area is called "Flash Flood Alley."

Here's what to know about the deadly flooding, the colossal weather system that drove it and ongoing efforts to identify victims.

On the night the deadly floodwaters raged down the Guadalupe River in Texas, the National Weather Service forecast office in Austin/San Antonio was missing a key member of its team: the warning coordination meteorologist,

After hearing a young woman scream for her life on the flooded Guadalupe River, Carl Jeter called first responders to rescue her after she tread water for 15 miles.