Nearly a week after floodwaters swept away more than a hundred lives, Texas officials are facing heated questions over how much was – or was not – done in the early morning hours of Friday as a wall of water raced down the Guadalupe River.

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.

Businesses large and small also sprang into action to help the community. Grocery chain H-E-B, which started in Kerrville, one of the cities affected by the floods, has been donating food and supplies through the Red Cross. San Antonio-based fast-food chain Whataburger said it would provide meals to first responders.

Authorities confirmed Wednesday that 120 people have died in the central Texas floods. Follow for live updates.

More than 100 people have been confirmed dead since July 4, when the Guadalupe River in central Texas swelled overnight and triggered flash floods that swept through an area known locally as “Flash Flood Alley.

Devyn Smith clung to a tree as muddy, debris-laden water rushed beneath her. She was ripped more than 15 miles from where she and five of her family members had set camp the night before.

This part of Texas is one of the most flood-prone areas in the entire world. Here’s a look at some of the region’s worst floods on record.

Factors such as elevation and soil consistency are vastly different in Florida than in Texas, according to meteorologists.

In Kerr County, Thad Heartfield is leading nearly 100 volunteers searching for flood victims. For him, this mission is personal. His son and three of his son's friends disappeared in the flood.

Historic flash floods swept across central Texas and left at least 81 dead. Authorities are searching for those still missing, including 10 children and a counselor from Camp Mystic, a Christian girls' camp at the edge of the Guadalupe River. USA TODAY readers have lots of questions about the flooding, as well as the recovery efforts.