Since 2016, the topic of a "flood warning system" for Kerr County has come up at 20 different county commissioners' meetings, according to minutes. The idea for a system was first introduced by Kerr County Commissioner Thomas Moser and Emergency Management Coordinator Dub Thomas in March 2016.

There are more than 100 emergency personnel on the ground working to reunite families, the sheriff said. A large-scale search and rescue effort is ongoing.

Texas Gov. Greg Abbott planned to make another visit Tuesday to Camp Mystic, the century-old all-girls Christian summer camp where at least 27 campers