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.

Hill Country residents and volunteers on Tuesday continued picking up the pieces that the deadly waterway left behind days earlier.

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

While there's still hope in the Hill Country that survivors are still out here, finding bodies at least offers some level of comfort to the families who have been waiting four agonizing days.

Also: San Antonio mourned the victims in a Travis Park vigil; UTSA said one of its teachers died in the Guadalupe River flood; Kerrville officials said a privately owned drone collided with a helicopter conducting search and rescue operations.

A Texas Hill Country resident is leading a community effort to collect, clean, and return sentimental items found washed ashore after the Guadalupe River floods, connecting people through a dedicated Facebook group.

Aidan Heartfield was on the phone with his dad when their family’s cabin was swept away in the Texas floods. A team is searching for any signs of Heartfield.

Along the Guadalupe River, a 60-room inn and nearby homes were quickly filling with water. Confusion, desperation and heroism ensued.