Plans to develop a flood monitoring system in the Texas county hit hardest by deadly floods were scheduled to begin only a few weeks later.

The storied Guadalupe River meanders through this Texas Hill Country town and into the unincorporated parts of Kerr County like a vein.

Volunteers and professionals from around the country and Mexico are still searching the challenging terrain for victims of the Texas flood.

Officials balked at the cost for installing a siren warning system and the potential for sirens to blare in the middle of the night and wake up

Recordings provided to CBS News showed first responders asking for an emergency alert to be sent, but dispatchers delayed because they needed special authorization.

Historic Texas flood leaves 161 missing and 96 dead. Rescuers battle harsh conditions, as communities grapple with heartache and aid reaches survivors.

Here are five key takeaways from the president's visit to Kerrville.

Also: San Antonio mourned the victims in a Travis Park vigil; UTSA said one of its teachers died in the Guadalupe River flood; Kerrville officials said a privately owned drone collided with a helicopter conducting search and rescue operations.

Before and after satellite images reveal the catastrophic impact the Texas flood had on parts of Kerr County closest to the Guadalupe River.

KERR COUNTY, Texas — Kerr County leaders debated the issue of installing emergency sirens along the Guadalupe River nearly a decade ago, but one former official said there was pushback from some residents.