Sep 8, 2018
On September 8th, a slow moving surface front entered a very moist environment where precipitable water values were near and above two inches. Thunderstorms developed and some produced heavy rain that led to flash flooding. The pattern remained unchanged on the 9th and thunderstorms with heavy rain developed again, but the focus was generally farther east.
Source: NOAA National Weather Service Storm Events Database (event 783941). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Uvalde County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.