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.

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

Religion and the river are constant Kerr County touchstones. As residents lean on their faith, they grapple with their relationship to the water.

Explore three decades of Guadalupe River Basin flood data by county with our interactive, searchable database.

The Guadalupe River in Texas surged 26 feet in just 45 minutes. No one saw it coming - What began as a routine flood developed into a deadly disaster, with the death toll now in triple digits

In the early hours of Independence Day, rain pelted sleeping communities in central Texas. No one knew yet how devastating the storm would become.

Teens at the Pot O’ Gold Christian Camp near Comfort, Texas, were swamped by a wall of water as they tried to escape.