In a Slack chat, a National Weather Service forecaster tells emergency managers, meteorologists and news media that the agency is monitoring Kerr County, but so far there has been little rain. Within 40 minutes, two weather cells combine, creating a dramatically more dangerous situation. A flash flood warning goes out at 1:14 a.m.

Texas lawmakers and the lieutenant governor pressed local officials to explain their handling of the catastrophic July 4 weekend floods that killed more than 160 people — including 37 children — across the state’s Hill Country,

Here's a chronology of chaotic rescue efforts as a flash flood chewed through the Texas Hill Country before dawn July 4 based on first responder