Officials in Kerr County, the hardest-hit region, said the number of missing remained unchanged since Tuesday, at 161. The floods have killed at least 120 people statewide.

In the last nine years, federal funding for a system has been denied to the county as it contends with a tax base hostile to government overspending.

At a Wednesday morning press conference, Kerr County Sheriff Larry Leitha declined to answer a question about delayed emergency alerts, saying that an "after-action" would follow the search and rescue efforts. "Those questions are gonna be answered," he added.

As the Guadalupe River swelled from a wall of water heading downstream, sirens blared over the tiny river community of Comfort — a last-ditch warning to get out for those who had missed cellphone alerts and firefighters going street-to-street telling people to get out.

The number of people reported missing in Kerr County, Texas, as a result of last week’s flash floods continues to soar. Authorities say search teams combing through the debris and destruction there are looking for more than 160 people who disappeared in the raging waters.

Sisters Blair Harber, 13, and Brooke Harber, 11, were killed, along with their grandparents, when surging floodwaters ripped through the community. Their parents were staying in a different home at Casa Bonita and survived, according to the family's GoFundMe.

Dispatch audio has surfaced from the critical hours before a deadly flood hit its height in Kerr County, helping piece together the timeframe local officials have yet to provide amid public