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.

With more than 170 still missing, communities must reconcile how to pick up the pieces around a waterway that remains both a wellspring and a looming menace.

Officials with Camp Mystic have confirmed 27 campers and counselors died in the flooding on the Guadalupe River this past weekend.

Camp Mystic, the summer haven torn apart by a deadly flood, has been a getaway for girls to make lifelong friends and find “ways to grow spiritually.”

Radar data can estimate rainfall to a fairly accurate amount. The rain data in the case of the deadly tragedy that unfolded in the Texas Hill Country last weekend shows exactly why the area around Camp Mystic and the Guadalupe River, outside of San Antonio, had such a raging flash flood.

MAJOR DISASTER DECLARATION: The catastrophic flooding struck on Friday, causing a surge of 20 to 26 feet on the Guadalupe River near Kerrville, causing widespread damage. President Donald Trump has signed a major disaster declaration for Kerr County, which is west of Austin.

Pamela Brown, CNN’s chief investigative correspondent, shared memories during a live broadcast in an off-the-cuff moment with an anchor.

The Guadalupe River flooded on Friday, July 4, impacting cities across Kerr County including Kerrville, Hunt, Ingram, and more, killing at least 27 people . At least 27 children remain missing from Camp Mystic, an all-girls summer camp in Hunt.