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

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

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.

The 1978 deluge began when remnants of a tropical storm crossed the Gulf of Mexico and entered Texas north of Brownsville. When it was over, 33 were dead.

A swift-moving flood that swept through the Hill Country of Texas on Friday, killing at least 79 people and leaving many more missing, was a flash flood.

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.

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

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

In the wake of the disaster, a Facebook group titled "Found on the Guadalupe River" has become a digital lost and found for flood survivors. It was launched on Sunday by perfumer Dondi Persyn, who felt compelled to do something as she watched the flood's aftermath unfold.