Early on the morning of July 4, the Guadalupe River in central Texas overflowed its banks, causing catastrophic flooding. As of July 9, at least 111 people had died, and homes and businesses along the river were washed away in the affected parts of Texas Hill Country,

Here’s what to know about the deadly flooding, the colossal weather system that drove it in and around Kerr County, Texas, and ongoing efforts to identify victims.