Virginia Hollis is one of the girls missing from Camp Mystic, according to a social media post from Bregman. She was staying in Cabin Twins 2 when floodwaters from the Guadalupe rushed through the campgrounds. Ellen is a missing Camp Mystic camper, according to her family.

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."

Nearly a week after deadly floods struck Central Texas, search and rescue teams are continuing to probe debris for those still missing.

The grim task of searching for the scores of people missing from the devastating flood that struck Texas Hill Country nearly a week ago is taking an agonizing toll on searchers.

Recordings provided to CBS News showed first responders asking for an emergency alert to be sent, but dispatchers delayed because they needed special authorization.

In what experts call "Flash Flood Alley," the terrain reacts quickly to rainfall steep slopes, rocky ground, and narrow riverbeds leave little time for warning.

KERRVILLE, Texas (AP) — Over the last decade, an array of Texas state and local agencies missed opportunities to fund a flood warning system intended to avert a disaster like the one that killed dozens of young campers and scores of others in Kerr County on the Fourth of July.

Most summers, Kerrville, Texas, draws crowds for its July 4 celebration. This year, the streets are filled with emergency responders.

With more than 170 still missing, communities must reconcile how to pick up the pieces around a waterway that remains both a wellspring and a looming menace.

More than 100 people have been confirmed dead since July 4, when the Guadalupe River in central Texas swelled overnight and triggered flash floods that swept through an area known locally as “Flash Flood Alley.