106
Recorded events
1
Direct deaths
0
Direct injuries
$601.5M
Property damage
Flash Flood in Calcasieu Parish, Louisiana: 106 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #148 nationally and #5 statewide for this hazard.
Decade by decade
Flash Flood in Calcasieu Parish, Louisiana: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Calcasieu Parish is the 2010s, when 37 of the county's 106 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 Calcasieu Parish archive, flash flood makes up 10.9% of all recorded severe weather across 8 hazard types. Nationally the county sits at #148 for this hazard and #5 within Louisiana, putting it in the 95.2 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for flash flood in Calcasieu Parish with 23 recorded events, while Nov 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 |
|---|---|---|---|---|---|
| May 17, 2021 | LAKE CHARLES LAKE | 0 | 1 | 0 | $500.0M |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Aug 30, 2025 | SULPHUR | 0 | $10K |
| Jun 13, 2025 | GOSS | 0 | $50K |
| May 28, 2025 | (LCH)LK CHARLES MUNI | 0 | $0 |
| May 7, 2025 | DE QUINCY | 0 | $0 |
| May 7, 2025 | BRIMSTONE | 0 | $0 |
| May 7, 2025 | VINCENT | 0 | $1K |
| May 3, 2025 | LAKE CHARLES CHLOE F | 0 | $0 |
| May 3, 2025 | ARARET | 0 | $0 |
| Jul 24, 2024 | LAKE CHARLES MUNI AR | 0 | $0 |
| Jun 28, 2024 | (LCH)LK CHARLES MUNI | 0 | $0 |
Other hazards here
More from Calcasieu Parish
- Thunderstorm Wind 466
- Hail 224
- Tornado 114
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Thunderstorms moved very slowly across Lake Charles and the surrounding area while back building during the late morning to mid afternoon of the 17th. One rain gage recorded near 22 inches of rain in South Lake Charles during the event, but a large swath received 10 inches or more. Most streets were flooded and impassable. Numerous vehicles were flooded and some were swept off the roads into ditches and and bayous. One person drown when their car floated into a ditch. Numerous homes and businesses were flooded in South Lake Charles some of which were still being repaired from Hurricanes Laura and Delta. Some schools and churches in the area also flooded.
Harvey produced 15 to 30 inches of rain across Calcasieu Parish. One rain band set up on the east side of Lake Charles during the 27th and produced a quick foot of rainfall flooding numerous homes. Total flooded homes was estimated at 1,572. The rain produced the 3rd highest crest on the Sabine at Starks/Deweyville and 2nd highest at Orange. At Sam Houston Jones the Calcasieu River reached its 4th highest crest.
Heavy rain in a stalled feeder band from the remnants of Hurricane Barry produced flooding north of Interstate 10 and affected Starks, Sulphur, Moss Bluff, Dequincy, and Gillis. The worst flooding occurred in the Gillis to Ragley area where Highway 171 was closed for several hours after after 10 to 20 inches of rain fell. Roughly 55 homes received major flooding, 145 homes received minor flooding, and 5 businesses received minor flooding. The first report of flooding was received from a NWS employee in Sulphur of street flooding.
Quick answers
Frequently asked
How many flash flood events are on record in Calcasieu Parish, Louisiana?
106 flash flood events are recorded in Calcasieu Parish between 1996 and 2025, causing 1 direct deaths.
What is the strongest flash flood recorded in Calcasieu Parish?
The strongest flash flood on record in Calcasieu Parish measured 0.
Where does the flash flood data for Calcasieu Parish 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 Calcasieu Parish, Louisiana.” Severe Weather History. severeweatherhistory.com/county/louisiana/calcasieu-parish/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.