The very qualities that draw people to the beautiful Texas Hill Country — rolling terrain, limestone formations and lazy rivers — also make the area deadly during heavy rainstorms.

Flooding has been at the top of Texans’ minds this week, but this is not the first time that the need for flood-related measures has come up among local officials.

City of Kerrville officials have raised the death toll from the July Fourth devastating floods. In a press conference on Saturday morning, officials say at least 27 people have been confirmed dead. That number includes 18 adults and nine children. At least six adults have been identified and one child has been identified.

NPR has compiled a timeline of when local, state and federal officials posted warnings on social media as well as the timeline of events as presented by local officials.

The heavy rain that turned a river in Texas into a raging wall of water was fueled by unique atmospheric conditions, according to meteorologists and climate scientists.

Rescuers scoured a devastated central Texas landscape of mangled trees, overturned cars and muck-filled debris.

Meanwhile, Texas authorities have pledged to continue search and rescue operations until every missing person is found.