May 3, 2019
Convection from the previous day left a number of outflow boundaries across South Central Texas. These interacted with a mid to upper level shortwave trough to trigger thunderstorms. Some of these storms produced tornadoes, large hail, damaging wind gusts, and heavy rain that led to flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 828940). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Hays County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.