Apr 2, 2017
A strong upper level trough shifted east across Northern Mexico and into the Big Bend area of Southwest Texas during the early morning hours of April 2nd, before lifting northeast into North Texas during the afternoon. Meanwhile, an deepening surface low over North Texas allowed for warm, moist, and unstable air to stream north across East Texas and North Louisiana just south of a warm front as it stalled near the Interstate 20 corridor. Very strong wind shear and steepening lapse rates ahead of
Source: NOAA National Weather Service Storm Events Database (event 683528). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in La Salle County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.