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Union County, Mississippi severe weather history spans 303 recorded events between 1950 and 2026. The dominant hazard is thunderstorm wind, accounting for 45.2% of all recorded events. It ranks #1,766 nationally and #50 in Mississippi.
303
Recorded events
5
Direct deaths
35
Direct injuries
$33.2M
Property damage
The record
What the Union County, Mississippi severe weather history record shows
Across the archive, Union County, Mississippi severe weather history averages 4.0 recorded events a year. The busiest stretch on record is the 2010s, with 79 events logged in that decade alone. Roughly 38 events fall before 1990 and 265 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Union County, Mississippi record is tornado, responsible for 4 direct deaths. The costliest is tornado, with $29.9M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Union County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 137 | 1 | $1.7M | 84 | 1965–2026 |
| Hail | 103 | 0 | $20K | 3 | 1958–2026 |
| Flash Flood | 28 | 0 | $1.4M | 0 | 1999–2025 |
| Tornado | 27 | 4 | $29.9M | F3 | 1950–2025 |
| Lightning | 4 | 0 | $76K | 0 | 1998–2023 |
| Flood | 3 | 0 | $25K | 0 | 2018–2019 |
| Heavy Rain | 1 | 0 | $0 | 0 | 2010–2010 |
Decade by decade
Union County, Mississippi severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
27 mapped tornado paths intersect this county: 17 touched down inside it and 10 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1984-04-21 | EF3 | 15 | 76 | 71.0 mi | Crossed in |
| 2001-02-24 | EF3 | 6 | 73 | 52.0 mi | Crossed in |
| 2000-01-03 | EF3 | 0 | 0 | 43.2 mi | Crossed in |
| 1997-03-01 | EF3 | 0 | 16 | 30.0 mi | Crossed in |
| 1975-02-22 | EF3 | 0 | 2 | 26.3 mi | Crossed in |
| 1965-03-17 | EF3 | 0 | 10 | 14.7 mi | Touched down here |
| 1959-01-21 | EF3 | 0 | 1 | 33.8 mi | Crossed in |
| 2025-04-05 | EF2 | 0 | 1 | 39.7 mi | Crossed in |
| 2023-03-31 | EF2 | 0 | 0 | 13.1 mi | Touched down here |
| 2008-05-02 | EF2 | 0 | 0 | 0.5 mi | Touched down here |
Significant events
Deadliest events on record in Union County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Feb 12, 1950 | Tornado | 3 | 2 | $25K | |
| May 24, 2015 | Thunderstorm Wind | NEW ALBANY | 1 | 2 | $0 |
| Apr 22, 1984 | Tornado | 1 | 2 | $25.0M | |
| Mar 1, 1997 | Tornado | INGOMAR | 0 | 16 | $250K |
| Jan 3, 2000 | Tornado | PINEDALE | 0 | 4 | $250K |
| Mar 17, 1965 | Tornado | 0 | 3 | $250K | |
| Sep 21, 1958 | Tornado | 0 | 2 | $25K | |
| Mar 25, 2023 | Tornado | PACKS | 0 | 1 | $55K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The tornado crossed into Union County near Flatwood. Trees and a few homes/outbuildings sustained damage along McLaughlin Road and County Road 102, as well as in the Bald Hill and Fairview areas. The tornado weakened as it crossed Highway 15, with damage becoming more sporadic. The circulation was still relatively weak as it crossed Interstate 22 southeast of New Albany, but a semi truck was overturned. Minor damage to homes, trees, and utility poles was observed on the eastern side of New Albany from Highway 348 to Highway 30, mainly east of Sub Station Road. Mostly tree damage was observed as the tornado moved northeast through Keownville, though a few homes had minor roof damage. Estimated peak winds were 100 mph across Union County.
Heavy rain produced flash flooding across Union County. Twenty-eight roads and one bridge sustained major damage. Fifteen businesses and one public building received damage from flooding as well. In addition, fourteen homes and six mobile homes sustained minor damage.
Hole in the roof of the Health and Rehab Center. Several homes damaged along county roads 73 and 75 north of New Albany. Some home suffered damage along county road 107 south of the city. More damage occurred on Highway 15 near Ingomar. One distinct home suffered roof and column damage in New Albany.
Context
Risk, population and federal disasters
Relatively Low
FEMA NRI risk rating
28,122
Population (ACS)
$163K
Median home value
19
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Feb 6, 2026 | Winter Storm | SEVERE WINTER STORM | DR |
| Jan 24, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Oct 22, 2021 | Hurricane | HURRICANE IDA | DR |
| Aug 28, 2021 | Hurricane | HURRICANE IDA | EM |
| Apr 5, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Union County, Mississippi?
303 events are on record between 1950 and 2026, causing 5 direct deaths and $33.2M in property damage.
What is the most common severe weather hazard in Union County?
Thunderstorm Wind, with 137 recorded events — 45.2% of everything in the archive for this county.
How many tornadoes have crossed Union County?
27 mapped tornado paths intersect the county boundary; 17 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Union County?
19 federal disaster declarations from FEMA include Union County, each tied to a specific incident period.
How risky is Union County compared with the rest of the country?
FEMA's National Risk Index rates Union County as relatively low risk, placing it in the 44 percentile of its state for expected annual loss.
Where does the Union County, Mississippi 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
- Tunica County 155
- Walthall County 199
- Tishomingo County 302
- Warren County 729
- Tippah County 224
- Washington County 552
Cite this page
“Union County, Mississippi.” Severe Weather History. severeweatherhistory.com/county/mississippi/union-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.