TEXSAR, an Austin-based nonprofit first responder organization, has deployed swiftwater teams, boats, drones and K9s to help search for missing people. It hopes to raise $100,000 to maintain its operation. Donations can be made online.

As the number of deaths reaches at least 104 people after floods swept across Texas Hill Country, the timeline of events before and during the flood are becoming more clear, showing the series of warnings that were sent before and during the flash flood.