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.

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.

Texas lawmakers failed to pass a bill in the regular legislative session that would have improved local governments’ emergency communications infrastructure.

Lt. Gov. Dan Patrick signaled that he plans to push for the state to pay for sirens erected alongside the Guadalupe River in the wake of the devastating flash floods that led to the deaths of over 100 people.

Flash flooding is common enough around the crescent-shaped region from Dallas through the Hill Country, the area earned the nickname "Flash Flood Alley."

Hundreds of children at summer campsites along the Guadalupe River in Kerr County were at risk early Friday when a catastrophic flash flood killed at

Widespread rain, some heavy, continues across the Hill Country. A Flash Flood Emergency is ongoing for south-central Kerr County, including the Guadalupe River. Move to higher ground if you are along the Guadalupe River in Kerr County! Otherwise avoid travel through the county. pic.twitter.com/XVc9nYkHy3

Lt. Gov. Dan Patrick said rescuers are searching for survivors, including 23 girls missing from a Christian camp along the Guadalupe River.