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2d ago

Severe Storm Warnings Expand as Flash Flood Risk Grows Across Texas

Heavy Gulf moisture will fuel persistent downpours through Friday, increasing flash flood risks in urban and low-lying areas.

Future weather radar models depicting Central and South Texas at 5 a.m., left, and at noon Wednesday, right, show storms developing along the Interstate 35 corridor.
Future weather radar models show storms moving across Central and South Texas at 5 a.m., left, and heading toward the Gulf Coast at 10 a.m. Thursday.
This flood risk outlook for Wednesday from the National Weather Service’s Weather Prediction Center gives the region in yellow, stretching across the eastern two-thirds of Texas, at least a 15% chance of flash flooding occurring.
Shown are potential cumulative rainfall totals through Friday in South Texas, according to the National Blend of Models.

Overview

  • The National Weather Service has issued a severe thunderstorm warning for the San Antonio metro area, with quarter-sized hail, 60 mph winds and torrential rainfall expected overnight.
  • A Level 2 out of 5 slight risk for severe storms covers the Houston region today, where damaging wind gusts, isolated tornadoes and street flooding are possible.
  • The Weather Prediction Center has placed a broad swath from Dallas-Fort Worth to Houston under a Level 2 of 4 flash flood risk with 2–4 inches of rain forecast and up to 6 inches in isolated east-central Texas.
  • A persistent moist low-level jet interacting with outflow boundaries will drive multiple rounds of showers and thunderstorms through Friday, keeping daily rain chances between 40 and 60 percent.
  • Flood advisories are in effect across Central and South Texas as saturated soils raise the threat of rapid flooding, leading officials to warn drivers against traversing water-covered roads.