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.

An eight-year-old girl and the director of an all-girls' summer camp are among the victims of flash floods in Texas that have claimed at least 51 lives, including 15 children. Officials say most of the victims have been identified. Authorities have not yet released any names publicly.

Flash floods along Texas’ Guadalupe River have killed at least 32 people and also left around 27 people missing.