Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Union Parish, Louisiana

42

Recorded events

0

Direct deaths

0

Direct injuries

$310K

Property damage

Flash Flood in Union Parish, Louisiana: 42 recorded events between 1996 and 2023. The strongest on record measured 0. That places the county #779 nationally and #18 statewide for this hazard.

Decade by decade

Flash Flood in Union Parish, Louisiana: events per decade

Flash Flood in Union Parish, Louisiana: recorded events per decade
Flash Flood in Union Parish, Louisiana: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Union Parish is the 2010s, when 18 of the county's 42 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 Union Parish archive, flash flood makes up 6.6% of all recorded severe weather across 7 hazard types. Nationally the county sits at #779 for this hazard and #18 within Louisiana, putting it in the 74.5 percentile of all U.S. counties.

Seasonality

Events by month

2Jan
4Feb
9Mar
6Apr
1May
4Jun
3Jul
2Aug
3Sep
5Oct
0Nov
3Dec

Mar is the peak month for flash flood in Union Parish with 9 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.

Most recent

Latest recorded events

DateLocationMagnitudeDamage
May 11, 2023FARMERVILLE0$0
Oct 10, 2020FARMERVILLE ARPT0$0
Feb 11, 2020FARMERVILLE0$0
Feb 11, 2020FARMERVILLE0$0
Feb 11, 2020CANBEAL0$0
Feb 10, 2020MARION0$0
Apr 13, 2019RANDOLPH0$0
Apr 7, 2019SPENCER0$0
Apr 7, 2019BAYOU D ARBONNE LAKE0$0
Apr 7, 2019FARMERVILLE0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Union Parish

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flash flood events are on record in Union Parish, Louisiana?

42 flash flood events are recorded in Union Parish between 1996 and 2023, causing 0 direct deaths.

What is the strongest flash flood recorded in Union Parish?

The strongest flash flood on record in Union Parish measured 0.

Where does the flash flood data for Union 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 Union Parish, Louisiana.” Severe Weather History. severeweatherhistory.com/county/louisiana/union-parish/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov