Nearly a decade ago, neighboring counties, Guadalupe and Comal, installed flood sirens. Nearby New Braunfels regularly tests its outdoor warning system, which is designed to alert residents to flash floods that are common in the area. But in Kerr County, officials admitted over the weekend that no such system exists.

Kerr County, Texas Judge Rob Kelly told a reporter that the county does not have a warning system, saying that "no one knew this kind of flood was coming."

The death toll from catastrophic flooding in Texas over the July Fourth weekend surpassed 100 on Monday as search-and-rescue teams continued to wade into swollen rivers and use heavy equipment to