Enter any address in Union Parish, Louisiana to see its FEMA flood zone
Flash flooding events have been the most frequent type of flood recorded in Union Parish County over the last 30 years, with 42 occurrences. Tropical storms and general flood events have occurred less frequently. Recent flash flooding events include those on May 11, 2023, and February 10, 2020, often associated with slow-moving weather systems and heavy rainfall.
National Flood Insurance Program (NFIP) claims data shows that Zone A areas have experienced the highest number of claims, with an average payout of $25,486 and an average water depth of 11.5 feet. Zone X areas also show significant claims, with an average payout of $25,404 and an average water depth of 6.5 feet. Properties in Zone A and Zone X may be at higher risk. Homeowners in these zones, as well as those in areas with unknown flood risk designations, should pay close attention to flood risk information.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
24 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Union Parish, Louisiana has recorded 51 flood-related events since 1996 according to NOAA's Storm Events Database, including 42 flash floods and 4 river or area floods. The county has received 36 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 23, 2026 |
| Tropical Storm Francine | Hurricane | Sep 10, 2024 |
| Tropical Storm Nicholas | Coastal Storm | Sep 12, 2021 |
| Hurricane Ida | Hurricane | Aug 26, 2021 |
| Tropical Storm Ida | Hurricane | Aug 26, 2021 |
| Severe Winter Storm | Severe Ice Storm | Feb 11, 2021 |
| Severe Winter Storms | Severe Ice Storm | Feb 11, 2021 |
| Tropical Storm Zeta | Hurricane | Oct 26, 2020 |
| Hurricane Delta | Hurricane | Oct 6, 2020 |
| Hurricane Sally | Hurricane | Sep 13, 2020 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | May 11, 2023 | 0.00K |
| Tropical Storm | Aug 27, 2020 | 0.00K |
| Flash Flood | Oct 10, 2020 | 0.00K |
| Flash Flood | Feb 10, 2020 | 0.00K |
| Tropical Storm | Oct 9, 2020 | 0.00K |
| Flash Flood | Apr 13, 2019 | 0.00K |
| Flash Flood | Apr 6, 2019 | 0.00K |
| Tropical Storm | Aug 30, 2017 | 0.00K |
| Flash Flood | Jun 23, 2017 | 0.00K |
| Flash Flood | Mar 30, 2016 | 0.00K |
Flash Flood — May 11, 2023
An upper level low pressure system slowly ejected northeast across the piney woods of East Texas during the evening through the morning hours of May 10th-11th. A southerly low level jet present ahead of the low spilled copious amounts of low level moisture north into East Texas and Western Louisiana, with strong large scale forcing ahead of the low enhancing numerous shower and thunderstorm dev...
Tropical Storm — Aug 27, 2020
Major Hurricane Laura tracked north northwest across the Central and Northern Gulf of Mexico from the Central Carribean Sea near Cuba, making landfall in Southwest Louisiana near Cameron around 1 am on August 27th as a strong Category 4 hurricane with maximum sustained winds near 150 mph, and a minimum central pressure of 938 mb. Laura remained a hurricane as it tracked north across Southwest a...
Flash Flood — Oct 10, 2020
Hurricane Delta tracked north northwest across the Western Carribean Sea as a major hurricane, having rapidly strengthened from a tropical depression to a Category 4 hurricane in just over 36 hours, the fastest intensification rate on record. Delta made its first landfall across the Yucatan Peninsula near Cancun on October 7th, before tracking north and making a second landfall near Creole, Lou...
Flash Flood — Feb 10, 2020
A band of showers and thunderstorms, some of which contained locally heavy rainfall, developed during the morning of February 10th across portions of East Texas, extreme Northwest and Northern Louisiana, along and just ahead of a slow moving cold front that extended from East Texas into extreme Northwest Louisiana and Southern Arkansas. Ample gulf and Pacific moisture and embedded upper level d...
Tropical Storm — Oct 9, 2020
Hurricane Delta tracked north northwest across the Western Carribean Sea as a major hurricane, having rapidly strengthened from a tropical depression to a Category 4 hurricane in just over 36 hours, the fastest intensification rate on record. Delta made its first landfall across the Yucatan Peninsula near Cancun on October 7th, before tracking north and making a second landfall near Creole, Lou...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Union Parish, Louisiana:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Union Parish, Louisiana that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.