This part of Texas Hill Country is known for flash floods. Why were so many people caught off guard when the river turned violent?

Young campers and a dad saving his family were among the dozens killed in the historic flash floods that tore through central Texas over the holiday weekend.

Officials in Kerr County, where the majority of the deaths from the July 4 flash floods occurred, have yet to detail what actions they took in the early hours of the disaster.

Malaya Grace Hammond is among the latest fatalities identified from the Texas floods. Hammond's family said she was swept away by floodwaters on Saturday in Travis County.

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

"The first lady and I are here in Texas to express the love and support and the anguish of our entire nation in the aftermath of this really horrific and deadly flood," Trump said as he spoke at a roundtable event with first responders and local officials.

As the death toll climbs in Texas, the Trump Administration is actively undermining the nation’s ability to predict—and to deal with—climate-related disasters.

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

Severe thunderstorms will continue to prowl the central United States through the weekend with some areas at risk for damage stemming from high winds, hail, tornadoes and flooding. Police officers and emergency crews in eastern Massachusetts were out in full force on Thursday morning, performing rescues and blocking off impassable roads

Scholars and designers of early warning systems say that there are still huge gaps in our ability to predict flash floods and warn those at risk.

It is hard to look at the heartbreak of the disaster in Texas. In Colorado past flash floods have brought similar heartache and similar threats.