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

Flash floods surged through in the middle of the night, but many local officials appeared unaware of the unfolding catastrophe, initially leaving people near the river on their own.

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.

The search and rescue efforts are intensifying for more than 160 people who remain missing days after flash floods killed more than 100 people in central Texas. New satellite imagery collected on July 8 shows the aftermath of the devastating flood along the Guadalupe River that swept through the area near Hunt and Kerrville, Texas.

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.

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

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