Multiple parts of Central Texas, including Kerr County, were shocked by flash floods Friday when the Guadalupe River and others rose rapidly.

More than 111 people have died across six counties after flash flooding from heavy rain began affecting the state last week.

More than 100 people have been confirmed dead since July 4, when the Guadalupe River in central Texas swelled overnight and triggered flash floods that swept through an area known locally as “Flash Flood Alley.

Here's what to know about the deadly flooding, the colossal weather system that drove it and ongoing efforts to identify victims.

Follow for live updates in the Texas flooding as more than 173 are missing as rescuers continue a desperate search

Flash flooding is common enough around the crescent-shaped region from Dallas through the Hill Country, the area earned the nickname "Flash Flood Alley."

A swift-moving flood that swept through the Hill Country of Texas on Friday, killing at least 79 people and leaving many more missing, was a flash flood.

Lt. Gov. Dan Patrick signaled that he plans to push for the state to pay for sirens erected alongside the Guadalupe River in the wake of the devastating flash floods that led to the deaths of over 100 people.

The older brother of former San Francisco Giants pitcher Tyler Walker is missing after Texas flooding, along with his wife and their son.