The Washington Post' obtained messages from a National Weather Service meteorologist warning Kerr County officials about potential flash flooding beginning at 1 a.m. on July 4

Kerr County volunteers pause search and recovery efforts due to emergency alert. Community remains ready to resume once the danger passes.

Colorado has sent Task Force 1 to Kerr County, Texas, to assist in searches and cleanup efforts along the Guadalupe River.

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.

Emergency crews have suspended their search for victims of catastrophic flooding in central Texas amid new warnings that additional rain will again cause waterways to surge.

A National Weather Service advisory warned of another 2-4 inches of rain falling in the region − and isolated areas could see 9-12 inches.

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.

FEMA records show officials in Kerr County, Texas, did not use FEMA's system to send warnings to phones in the hours as the flooding began on July 4.