104
Recorded events
1
Direct deaths
350
Direct injuries
$6.6M
Property damage
Flash Flood in Lavaca County, Texas: 104 recorded events between 1996 and 2024. The strongest on record measured 0. That places the county #157 nationally and #28 statewide for this hazard.
Decade by decade
Flash Flood in Lavaca County, Texas: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Lavaca County is the 2000s, when 68 of the county's 104 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Lavaca County archive, flash flood makes up 35.4% of all recorded severe weather across 7 hazard types. Nationally the county sits at #157 for this hazard and #28 within Texas, putting it in the 95.0 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for flash flood in Lavaca County with 15 recorded events, while Dec is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Apr 11, 1997 | COUNTYWIDE | 0 | 1 | 0 | $1.0M |
| Oct 19, 1998 | COUNTYWIDE | 0 | 0 | 300 | $3.0M |
| Oct 18, 1998 | COUNTYWIDE | 0 | 0 | 50 | $2.0M |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Jan 24, 2024 | HALLETSVILLE | 0 | $0 |
| Jan 24, 2024 | SHINER | 0 | $0 |
| Jan 24, 2024 | SHINER | 0 | $0 |
| May 13, 2023 | YOAKUM MUNI ARPT | 0 | $0 |
| Jan 8, 2023 | KAMENSKY | 0 | $0 |
| Oct 14, 2021 | MOULTON MUNI ARPT | 0 | $0 |
| Jun 17, 2015 | SPEAKS | 0 | $0 |
| Mar 20, 2012 | MORAVIA | 0 | $0 |
| Oct 4, 2009 | MOULTON MUNI ARPT | 0 | $0 |
| Sep 13, 2009 | HALLETSVILLE | 0 | $0 |
Other hazards here
More from Lavaca County
- Hail 84
- Thunderstorm Wind 63
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
After the soaking rains of September 1 and 2, soils over Atascosa, DeWitt and Lavaca Counties were generally saturated. As additional rainfall developed in the late morning of September 3, flash flooding developed very quickly and continued into the mid afternoon. This time the heaviest rainfall was over the southern parts of Atascosa and DeWitt Counties and over the western part of Lavaca County, where general 1 inch rainfall was reported with isolated totals to 3 inches in Atascosa and Lavaca Counties and 4 inches in DeWitt County. Flash flooding spread across all of the 3 counties. Damage was reported only to roads and bridges.
Additional showers and thunderstorms developing in the late afternoon produced totals of up to 1.5 inches near Sublime in eastern Lavaca County. County roads 142 and 138 were closed during the early evening hours due to flash flooding.
Rainfall on September 1 had already saturated the soils over Lavaca and DeWitt Counties. Widespread showers and thunderstorms redeveloped on the morning of September 2, producing an additional 1 to 2 inches of rain, with isolated totals to 4 inches, across the northen parts of DeWitt and Lavaca Counties north of a line from Yorktown to Cuero to Yoakum to Shiner to Hallettsville. Damage was limited to roads near low water crossings.
Quick answers
Frequently asked
How many flash flood events are on record in Lavaca County, Texas?
104 flash flood events are recorded in Lavaca County between 1996 and 2024, causing 1 direct deaths.
What is the strongest flash flood recorded in Lavaca County?
The strongest flash flood on record in Lavaca County measured 0.
Where does the flash flood data for Lavaca County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Lavaca County, Texas.” Severe Weather History. severeweatherhistory.com/county/texas/lavaca-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.