New human settlements constructed in recent years have made the waterway more hazardous, UT-Arlington civil engineering professor says.

Jonathan McComb was the sole family member to survive a Texas flooding in 2015. Now, he's in Kerrville searching for victims in from the latest flooding.

Heavy rain poured over parts of central Texas, dumping more than a month's worth of rain for places like San Angelo.

Officials in Texas are facing mounting questions about whether they did enough to get people out of harm’s way before a flash flood swept down the Guadalupe River and killed more than 100 people, including at least 27 children and counselors at an all-girls Christian camp.

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

Also: San Antonio mourned the victims in a Travis Park vigil; UTSA said one of its teachers died in the Guadalupe River flood; Kerrville officials said a privately owned drone collided with a helicopter conducting search and rescue operations.

Camp Mystic is grieving the loss of 27 campers and counselors following the catastrophic flooding in the Texas Hill Country.

It took just 90 minutes for the river to rise more than 30 feet. A look at the historic flood levels now etched into Central Texas history.

The organizations working together to help the flood victims said that 'no additional in-kind donations (clothing, food, supplies) are needed in Kerrville.' They said the best way to help is with monetary donations.