107
Recorded events
3
Direct deaths
0
Direct injuries
$10.0B
Property damage
Flash Flood in Galveston County, Texas: 107 recorded events between 1996 and 2024. The strongest on record measured 0. That places the county #145 nationally and #23 statewide for this hazard.
Decade by decade
Flash Flood in Galveston County, Texas: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Galveston County is the 2010s, when 44 of the county's 107 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 Galveston County archive, flash flood makes up 15.7% of all recorded severe weather across 9 hazard types. Nationally the county sits at #145 for this hazard and #23 within Texas, putting it in the 95.3 percentile of all U.S. counties.
Seasonality
Events by month
Aug is the peak month for flash flood in Galveston County with 21 recorded events, while Feb 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 |
|---|---|---|---|---|---|
| Aug 27, 2017 | SAN LEON | 0 | 3 | 0 | $10.0B |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 2, 2024 | (GLS)SCHOLES FLD GAL | 0 | $0 |
| Apr 29, 2024 | HITCHCOCK VOLK ARPT | 0 | $0 |
| Nov 30, 2023 | GALVESTON | 0 | $5K |
| Sep 15, 2023 | GALVESTON | 0 | $0 |
| Sep 15, 2023 | LEAGUE CITY | 0 | $0 |
| Dec 30, 2022 | DICKINSON | 0 | $0 |
| Dec 30, 2022 | NADEAU HGTS | 0 | $0 |
| Dec 30, 2022 | TEXAS CITY GULF ARPT | 0 | $0 |
| Jun 4, 2021 | BACLIFF | 0 | $500K |
| May 15, 2020 | LEAGUE CITY S S ARPT | 0 | $0 |
Other hazards here
More from Galveston County
- Thunderstorm Wind 231
- Tornado 126
- Hail 121
- Funnel Cloud 55
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rainfall from thunderstorms moving across the county produced road closeures and widespread flooding of homes, with high water rescues being required in Dickinson. A rain gauge at FM 528 and Clear Creek in League City recorded a 1 hour rainfall total of 6.02 inches. League City reported 300 homes sustaining flood damage from this event.
Significant flooding occurred on Galveston Island from Jamaica Beach up into the city of Galveston as over 10 inches of rain fell in some spots. There were numerous road closures with at least one washed out roadway in the town of Jamaica Beach. There were reports of water within some structures.
Flooding was reported on the College of the Mainland campus. A few flooded residences had a half of a foot of water in them along Meadowlark Lane in western Texas City and western La Marque. There were numerous street flooding reports.
Quick answers
Frequently asked
How many flash flood events are on record in Galveston County, Texas?
107 flash flood events are recorded in Galveston County between 1996 and 2024, causing 3 direct deaths.
What is the strongest flash flood recorded in Galveston County?
The strongest flash flood on record in Galveston County measured 0.
Where does the flash flood data for Galveston 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 Galveston County, Texas.” Severe Weather History. severeweatherhistory.com/county/texas/galveston-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.