The data also highlights critical risks in other areas along the Guadalupe River in Kerr County, revealing more than twice as many Americans live in flood prone areas than FEMA's maps show.

A heartbreaking video shows campers and staffers at Camp Mystic being playful and enjoying their summer hours before waters from the catastrophic Texas flash flood swept away scores of young girls.

As rescuers continue searching for missing people after flash floods ravaged Texas, officials warn that more rain poses "life-threatening danger."

Families sifted through waterlogged debris Sunday and stepped inside empty cabins at Camp Mystic, an all-girls summer camp ripped apart by flash floods that washed homes off their foundations and killed at least 78 people in central Texas.