KERRVILLE, Texas — Emergency crews suspended their search for victims of catastrophic flooding in central Texas on Sunday morning amid new warnings that additional rain would again cause waterways to surge. It was the first time a new round of severe weather has paused the search since the flooding earlier this month.

As search and recovery efforts continue following the deadly floods, NWS warns of isolated flash floods due to the possibility of heavy rain this weekend.⛈️

A Kerrville-area river authority executed a contract for a flood warning system that would have been used to help with emergency response, local officials said.

Texas officials are being questioned about warning systems ahead of the deadly floods. As NBC News' Priscilla Thompson reports, Kerr County doesn't have a county-wide siren warning system in place.

Over 12,000 volunteers have already assisted in Kerr County, according to the Texas Division of Emergency Management.

People awoke from water rushing around them during the early morning hours of July 4, all along the Guadalupe River in the Texas Hill Country. Residents were seemingly caught off guard, but warnings had been issued days and hours before floodwaters began carrying away homes,

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

The same region of Texas that experienced catastrophic, deadly flooding over the Fourth of July weekend also experienced massive flooding in the past. A 1987 flood in Kerr County resulted in the death of 33 people,