Viral posts promoted false claims that cloud seeding, a form of weather modification, played a role in the devastation. Meteorologists explain it doesn't work that way.

When the precipitation intensified in the early morning hours Friday, many people failed to receive or respond to flood warnings at riverside campsites known to be in the floodplain.

Two days before flash floods on the Guadalupe River in Texas killed dozens of campers at a Christian girls summer camp, a state inspector approved operations, noting there was a written plan for responding to natural disasters.

The event was held as search crews and volunteers continued to scour miles along the Guadalupe River for the people still missing.

Central Texas, with its rocky soil, steep terrain and susceptibility to heavy rain, has been prone to devastating floods over the decades.

More than 111 people have died across six counties after flash flooding from heavy rain began affecting the state last week.

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

Here's what to know about the deadly flooding, the colossal weather system that drove it and ongoing efforts to identify victims.