Lucy had been asleep Thursday night in her bunk at Camp Mystic, a roughly 750-person summer camp in Hunt. Rain had begun to pound an area known to be at severe risk of flash floods. On “Here’s the Scoop,” podcast co-host Morgan Chesky takes listeners on the ground to hear from survivors of Texas’ catastrophic flooding.

Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 people.