Nov 12, 2023
A classic El Nino atmospheric setup, which included a robust subtropical jet stream aided by a slow-moving upper level disturbance that moved along the U.S. Mexico border and tapped into the jet, developed a surface coastal low/trough along and east of the Lower Texas coast beginning on November 9th/10th. The situation continued through November 13th before the upper-level system moved east. The steady, locally heavy rains were beneficial for most, with heavier pockets mainly producing ponding
Source: NOAA National Weather Service Storm Events Database (event 1147487). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Starr County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.