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Flood — Tom Green, TX

May 12, 2023

The combination of a stationary dryline and strong instability produced isolated severe thunderstorms across the Big Country and Concho Valley. The storms produce large hail and strong wind gusts. Also, localized flash flooding was reported in San Angelo due to torrential rainfall in a short period of time.

Source: NOAA National Weather Service Storm Events Database (event 1101589). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Tom Green, TX

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

View Tom Green County flood data →

More Flood Stories

Flash Flood1 death

Tom Green, TX · Jul 4, 2025

Devastating and historic flash flooding occurred in northern and northeast portions of San Angelo, with numerous water rescues, many streets and houses completely flooded, and 1 fatality.

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Flash Flood$500K damage

Tom Green, TX · May 18, 2015

An upper level disturbance interacted with an old frontal boundary and a tropical airmass to produce torrential rain across the Concho Valley and San Angelo. This very heavy rain caused flash flooding and resulted in many homes flooded and several swift water rescues.

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Flood$500K damage

Tom Green, TX · May 19, 2015

An upper level disturbance interacted with an old frontal boundary and a tropical airmass to produce torrential rain across the Concho Valley and San Angelo. This very heavy rain caused flash flooding and resulted in many homes flooded and several swift water rescues.

Read the full account →
Flash Flood$200K damage

Tom Green, TX · Aug 29, 1996

Thunderstorms developed during the night of August 28th over the Concho Valley and became stationary over Irion and southern Tom Green counties through the 29th.

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