The San Antonio River Authority maps and models floodplains, oversees flood infrastructure. They are gathering information on the areas and creeks that flooded Thursday so they can assess if changes need to be made.

"Developing in one part of the city can change the flood risk in another part of the city because of these drainage networks. All parts of cities are interconnected," explained Dr. Ali Mostafavi, a professor of Civil Engineering, Texas A&M University. "The drainage capacity is always behind the development."

The death toll from heavy rains that inundated parts of San Antonio has risen to 13, and all those missing have been found, authorities said Saturday. More than 7 inches (18 centimeters) of rain fell over a span of hours on Thursday,

SAN ANTONIO – San Antonio experienced severe storms and flooding that led to the loss of 13 lives last Thursday, June 12. Here is everything we know about the deadly flooding and all the developments that have happened since that night.

Matthew Angel Tufono had just celebrated his 51st birthday with loved ones. Hours later on his way to work, he became trapped in the chaos of rushing floodwaters.

This week in South Texas is expected to be much drier as a ridge of high atmospheric pressure moves into West Texas for a day or two.