A major flood event also struck the Texas Hill Country in July of 1987 after a series of 17 thunderstorms moved slowly, in succession, over the headwaters of the Guadalupe River in Kerr County. Anywhere from 5 to 10 inches of rain fell on the flood-prone areas, now deemed “Flash Flood Alley,” according to a National Weather Service report.

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.

Newly released satellite images reveal catastrophic damage caused by the Hill Country floods along the Guadalupe River.

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.

The most powerful thing that I can do, is come up here and intercede with prayer for these families, that are hurting beyond what anyone can ever imagine."

Heavy rain poured over the Texas Hill Country on Independence Day, with the flooding causing more than 100 deaths. Here's a timeline of the disaster: On July 2, the Texas Division of Emergency Management said it activated "state emergency response resources in anticipation of increased threats of flooding in parts of West and Central Texas heading into the holiday weekend.