The rain is finally winding down across Central Texas, but it's being replaced by a familiar July weather pattern of increasing heat and humidity.

Texas Hill Country is one of the most flood-prone regions in the U.S.

"This is an extremely dangerous and life-threatening situation."

At least one person has died, and emergency workers have rescued scores of people. Gov. Greg Abbott said the rain in the state was likely to break records.

One of the shocking things about the storms that hit Texas last week is that rainfall of similar devastating strength struck almost exactly a year ago in many of the same places. That tragic repetition may be less of a surprise to those who follow climate science.

"MASSIVE amounts of water moving downstream today."

Relentless downpours served as another frightening reminder of the flood-prone Texas Hill Country, following what experts say was fueled this time by the right mix of air and lots of available moisture.

The National Weather Service issued alerts across the country warning of potent storms, a heat wave and lingering toxic smoke.

The Guadalupe River can surge with astonishing speed during heavy rain.

Dangerous flooding in Texas has intensified after days of pounding rain, sending emergency crews scrambling to rescue people from the rising waters before sunrise Thursday and setting off urgent warnings from forecasters: “Move to higher ground now!

No single factor caused the weather disaster. Here’s how the combination of pieces came together to create the catastrophic flooding.

Catastrophic flooding has swept across parts of Texas following days of heavy rain, submerging homes and roads, prompting hundreds of rescues and leaving emergency responders working around the clock as floodwaters continue to threaten communities.