FloodZoneMap.org

Flash Flood — Harrison, TX

Apr 12, 2020

Warm, moist, and unstable air surged north into East Texas, North Louisiana, and Southern Arkansas during the evening through the early morning hours of April 11th-12th, along a warm front that lifted north across much of East Texas into North Louisiana. Meanwhile, a strong upper level low opened up into a trough as it entered the Southern Plains during the evening of the 11th, with large scale forcing ahead of the trough enhancing shower and thunderstorm development across much of West-central,

Source: NOAA National Weather Service Storm Events Database (event 875879). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Harrison, TX

This event is one of many recorded floods in Harrison County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Harrison County flood data →

More Flood Stories

Flash Flood$100K damage

Harrison, TX · May 8, 2015

A large complex of showers and thunderstorms moved into Northeast Texas during the early morning hours of May 8th, with this complex slowing as it moved into Harrison County.

Read the full account →
Flash Flood$50K damage

Harrison, TX · May 11, 2015

Scattered showers and thunderstorms developed during the afternoon and evening hours over Northeast Texas, Southwest Arkansas, and portions of Southeast Oklahoma on May 10th, near a residual weak surface boundary draped along the Red River from showers and thunderstorms that had…

Read the full account →
Flash Flood$50K damage

Harrison, TX · May 11, 2015

Scattered showers and thunderstorms developed during the afternoon and evening hours over Northeast Texas, Southwest Arkansas, and portions of Southeast Oklahoma on May 10th, near a residual weak surface boundary draped along the Red River from showers and thunderstorms that had…

Read the full account →
Flash Flood$10K damage

Harrison, TX · May 11, 2015

Scattered showers and thunderstorms developed during the afternoon and evening hours over Northeast Texas, Southwest Arkansas, and portions of Southeast Oklahoma on May 10th, near a residual weak surface boundary draped along the Red River from showers and thunderstorms that had…

Read the full account →