Ascension Parish, Louisiana severe weather history spans 202 recorded events between 1950 and 2026. The dominant hazard is thunderstorm wind, accounting for 51.5% of all recorded events. It ranks #2,434 nationally and #52 in Louisiana.
202
Recorded events
1
Direct deaths
22
Direct injuries
$1.5B
Property damage
The record
What the Ascension Parish, Louisiana severe weather history record shows
Across the archive, Ascension Parish, Louisiana severe weather history averages 2.7 recorded events a year. The busiest stretch on record is the 2020s, with 59 events logged in that decade alone. Roughly 28 events fall before 1990 and 174 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Ascension Parish, Louisiana record is flash flood, responsible for 1 direct deaths. The costliest is flood, with $1.1B in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Ascension Parish
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 104 | 0 | $1.1M | 70 | 1965–2026 |
| Hail | 35 | 0 | $50K | 3 | 1956–2025 |
| Flash Flood | 27 | 1 | $460.9M | 0 | 1997–2025 |
| Tornado | 22 | 0 | $3.8M | F3 | 1950–2026 |
| Lightning | 6 | 0 | $9K | 0 | 1997–2016 |
| Heavy Rain | 4 | 0 | $0 | 0 | 2003–2021 |
| Flood | 3 | 0 | $1.1B | 0 | 1996–2016 |
| Funnel Cloud | 1 | 0 | $0 | 0 | 2008–2008 |
Decade by decade
Ascension Parish, Louisiana severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
24 mapped tornado paths intersect this county: 23 touched down inside it and 1 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1969-04-12 | EF3 | 0 | 1 | 10.7 mi | Touched down here |
| 2019-06-06 | EF2 | 0 | 5 | 2.6 mi | Touched down here |
| 1976-01-25 | EF2 | 0 | 7 | 1.1 mi | Touched down here |
| 1965-01-22 | EF2 | 0 | 0 | 1.0 mi | Touched down here |
| 1950-03-19 | EF2 | 0 | 0 | 1.0 mi | Touched down here |
| 2017-02-07 | EF1 | 1 | 0 | 6.1 mi | Touched down here |
| 2025-03-04 | EF1 | 0 | 0 | 1.8 mi | Touched down here |
| 2019-06-06 | EF1 | 0 | 0 | 2.0 mi | Touched down here |
| 2016-12-05 | EF1 | 0 | 0 | 3.4 mi | Touched down here |
| 2012-12-10 | EF1 | 0 | 0 | 1.4 mi | Touched down here |
Significant events
Deadliest events on record in Ascension Parish
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| May 28, 2014 | Flash Flood | LOUISVILLE | 1 | 0 | $200K |
| Nov 20, 1983 | Tornado | 0 | 7 | $25K | |
| Jan 25, 1976 | Tornado | 0 | 7 | $2.5M | |
| Jun 6, 2019 | Tornado | BARMEN | 0 | 5 | $0 |
| Oct 21, 2019 | Tornado | HOHEM SOLMS | 0 | 1 | $2K |
| Mar 5, 2011 | Thunderstorm Wind | SORRENTO | 0 | 1 | $5K |
| Apr 13, 1969 | Tornado | 0 | 1 | $250K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rainfall resulted in significant roadway flooding. Numerous roads were reported impassable or closed due to high water in the Gonzales area. According to sheriffs office report, a 56 year old man drowned in the community of Duplessis after slipping and falling in a parking lot and becoming trapped under his automobile. Water was estimated to be 12 to 18 inches deep. The incident occurred between 1000-1100CST. Flooding began mid-morning with the event time estimated. Approximately 13 homes, several businesses and government buildings had minor flooding. Flood reports were from various locations in the parish.
As water from two days of heavy rain across Ascension Parish and upstream drained into the Amite River, record levels were recorded on the river. Due to the extremely high water levels on the river, water actually flowed back upstream along streams and bayous throughout Ascension Parish leading to a significant backwater flooding problem. Flooding for this event far exceeded the 1% annual risk flood plain. In all, approximately 16,000 homes and businesses suffered varying degrees of damage, though it is somewhat difficult to determine how many were due to the initial flash flooding and how many were due to the subsequent river flooding. The end time of the flood event is approximately 24 hours after cuts were made into Aligator Bayou Road to drain water that was trapped in the area. Some lingering flooding did continue beyond this date.
Six to eight inches of rain falling on already saturated ground led to widespread flash flooding across Ascension Parish. Around 75 roads were closed due to high water at different points throughout the day and numerous homes suffered damage. As water drained into the Amite River from here and upstream, record levels were recorded on the river. Details of the resultant river flooding are included in the flood event report for the parish. In all, approximately 16,000 homes and businesses suffered varying degrees of damage, though it is somewhat difficult to determine how many were due to the initial flash flooding and how many were due to the subsequent river flooding.
Context
Risk, population and federal disasters
Relatively Moderate
FEMA NRI risk rating
130,314
Population (ACS)
$280K
Median home value
66
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Jan 24, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Sep 16, 2024 | Hurricane | HURRICANE FRANCINE | DR |
| Sep 10, 2024 | Hurricane | TROPICAL STORM FRANCINE | EM |
| Sep 13, 2021 | Coastal Storm | TROPICAL STORM NICHOLAS | EM |
| Aug 29, 2021 | Hurricane | HURRICANE IDA | DR |
| Aug 27, 2021 | Hurricane | TROPICAL STORM IDA | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Ascension Parish, Louisiana?
202 events are on record between 1950 and 2026, causing 1 direct deaths and $1.5B in property damage.
What is the most common severe weather hazard in Ascension Parish?
Thunderstorm Wind, with 104 recorded events — 51.5% of everything in the archive for this county.
How many tornadoes have crossed Ascension Parish?
24 mapped tornado paths intersect the county boundary; 23 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Ascension Parish?
66 federal disaster declarations from FEMA include Ascension Parish, each tied to a specific incident period.
How risky is Ascension Parish compared with the rest of the country?
FEMA's National Risk Index rates Ascension Parish as relatively moderate risk, placing it in the 92 percentile of its state for expected annual loss.
Where does the Ascension Parish, Louisiana severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Allen Parish 295
- Assumption Parish 89
- Acadia Parish 370
- Avoyelles Parish 315
- Beauregard Parish 448
- Bienville Parish 484
Cite this page
“Ascension Parish, Louisiana.” Severe Weather History. severeweatherhistory.com/county/louisiana/ascension-parish/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.