KERRVILLE, Texas (AP) — Over the last decade, an array of Texas state and local agencies missed opportunities to fund a flood warning system intended to avert a disaster like the one that killed dozens of young campers and scores of others in Kerr County on the Fourth of July.

Many Catholics in the region have been stepping up to help, converging on Notre Dame Parish in Kerrville, located in the hardest-hit community along the Guadalupe River.

Public officials in the area have come under repeated criticism amid questions about the timeline of what happened and why widespread warnings were

New human settlements constructed in recent years have made the waterway more hazardous, UT-Arlington civil engineering professor says.

Before hundreds of first responders and volunteers from around the country came to help, it was the local residents of Texas Hill Country who faced down a deadly wall of water along the Gaudalope River and witnessed terrifying scenes.

RickRay Robertson points to a makeshift cross that withstood the July Fourth Kerrville flooding, despite being lodged only 10 inches into the ground. That faith reminds him to stand strong. And by sharing his story, it's allowing him to heal.

The flash floods in Central Texas that have killed more than 100 people and left dozens missing happened quickly, raising the Guadalupe River 26 feet in just 45 minutes. CBS News environmental correspondent David Schechter joins to explain how climate change impacts severe weather events.

The search is continuing for more than 160 people believed to be missing in Texas days after a destructive wall of water killed over 100 people