May 17, 2021
A closed upper low pressure system exited the Desert Southwest into the Southern Rockies/New Mexico during the morning of May 17th, with a shortwave trough rotating northeast ahead of the low across Central and Southeast Texas. A very moist air mass was already in place across Deep East Texas ahead of this disturbance, with periods of showers and thunderstorms containing locally heavy rainfall developing over Southeast Texas and spreading northeast into Southern San Augustine and Sabine Counties
Source: NOAA National Weather Service Storm Events Database (event 949142). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Sabine County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.