The risk of the catastrophic flooding that struck Texas Hill Country as people slept on July 4 and left at least 120 dead was potentially underestimated by federal authorities, according to an ABC News analysis of Federal Emergency Management Agency data, satellite imagery and risk modeling.

In what experts call "Flash Flood Alley," the terrain reacts quickly to rainfall steep slopes, rocky ground, and narrow riverbeds leave little time for warning.

These maps and charts show the scale and intensity of the Hill Country floods and highlight Camp Mystic’s proximity to high-risk flood zones.

Dick Eastland, the Camp Mystic owner who pushed for flood alerts on the Guadalupe River, was killed in last week’s deadly surge.

During his first weekend back in the White House, Trump again visited North Carolina to scope out Helene damage and toured the aftermath of devastating wildfires in Los Angeles. But he also used those trips to sharply criticize the Biden administration and California officials.

Kerrville police officers rescued residents during deadly Texas floods, risking their lives to save others in their community.

Now, days later, four young campers and one beloved counselor are still missing. Search and rescue teams have not stopped. At least 150 people are known to be missing in Kerr County as a result of the flooding in Central Texas,