FloodZoneMap.org

Flash Flood — Pecos, TX

May 11, 2020

An upper level disturbance moved over West Texas which provided lift. There was strong heating across the area along with a dryline. This resulted in instability, moisture, and lift along the dryline. There was also wind shear present. These conditions resulted in thunderstorms that produced severe winds, large hail, and flash flooding across portions of the Trans Pecos and Permian Basin.

Source: NOAA National Weather Service Storm Events Database (event 884396). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Pecos, TX

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

View Pecos County flood data →

More Flood Stories

Flash Flood$55K damage

Pecos, TX · Jun 5, 2025

Shortwave troughing and upslope flow generated scattered thunderstorms in the higher terrain of West Texas. Meanwhile, troughing and a stationary front/outflow boundary helped generate thunderstorms across portions of Southeast New Mexico.

Read the full account →
Flash Flood$50K damage

Pecos, TX · Jun 5, 2025

Shortwave troughing and upslope flow generated scattered thunderstorms in the higher terrain of West Texas. Meanwhile, troughing and a stationary front/outflow boundary helped generate thunderstorms across portions of Southeast New Mexico.

Read the full account →
Flash Flood$250K damage

Pecos, TX · Oct 10, 2022

A broad trough with embedded shortwaves was positioned over the Southwestern US. This led to an active and wet period across West Texas and Southeast New Mexico.

Read the full account →
Flash Flood

Pecos, TX · May 10, 2022

An upper level ridge was centered over the Texas Coast with an upper-low pressure system over Northern California. A dryline was across portions of Southeast New Mexico and West Texas. High moisture and instability were present to the east of the dryline.

Read the full account →