Over 100 people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

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.

Rainfall near the areas affected by the devastating Guadalupe River flood has caused a flash flood advisory to be issued.

Since 2016, the topic of a "flood warning system" for Kerr County has come up at 20 different county commissioners' meetings, according to minutes. The idea for a system was first introduced by Kerr County Commissioner Thomas Moser and Emergency Management Coordinator Dub Thomas in March 2016.

We had to carry the kids out because they couldn’t get in the water. It was very deep outside. We were trying to keep them calm because they’re scared, they’re

Federal forecasters issued their first flood warning at 1:14 a.m. on July 4. Local officials haven’t shed light on when they saw the warnings or whether they saw them in time to take action.

A "Basic Plan" for emergency response for three Texas counties, including Kerr County, labeled flash flooding as "highly likely" to occur, with a "major" impact on public health and safety, according to an ABC News review of a page on the Kerrville city website.

SAN ANTONIO — Five days after the waters of the Guadalupe River rose and overwhelmed much of Kerr Country on July Fourth, search and recovery efforts continue as the community picks up the pieces of one of the state's worst natural disasters in years.