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.

As the death toll continues to rise from devastating flooding that struck the Texas Hill Country, questions have been asked about whether there was enough warning ahead of the deadly flooding.

Plans to develop a flood monitoring system in the Texas county hit hardest by deadly floods were scheduled to begin only a few weeks later.

Survivors have described the floods along the Guadalupe River as a “pitch black wall of death” and said they received no emergency warnings.

A Kerrville-area river authority executed a contract for a flood warning system that would have been used to help with emergency response, local officials said.

The National Weather Service sent alerts fast and furious. It's not clear if everyone heeded them or realized how dangerous the situation would become.

Without a modern flood warning system, emergency officials monitor four sensors along the Guadalupe River – including one that was knocked out in the

The Associated Press has assembled an approximate timeline of the 48 hours before, during and after the deadly flash flood, beginning with the activation of the state’s emergency response resources on July 2 — the same day Texas signed off on the camp’s emergency plan for disasters.