A small-town grandmother who disappeared on her way to work. A beloved director of a Texas summer camp for girls. An Alabama elementary student away from home. These are a few of the dozens of victims lost in devastating flooding in Texas.

In 1987, sudden and intense rainfall caused the river to surge at an unprecedented rate in mid-July, leading to a tragedy that killed 10 campers at Pot O' Gold Christian Camp, a summer camp near Comfort, Texas. The campers drowned when their bus attempted to evacuate them and was overtaken by floodwater.

Flash floods happen when heavy rains unleash more water than the ground can absorb, causing that water to pile up and flow to low-lying areas