At least 13 dead, several missing in San Antonio
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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.
"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."