Union County, MS Environment & Hazard Risk

• EarthquakeRelatively Low$2.1M/yr expected annual loss, about once every 235 years
• Cold waveRelatively Moderate$1.9M/yr expected annual loss, about 1.2 events a year
• Heat waveRelatively Low$765K/yr expected annual loss, about 16 events a year
• Strong windRelatively Moderate$699K/yr expected annual loss, about 1.8 events a year
• LandslideRelatively Low$3,316/yr expected annual loss, about once every 2 years
• HurricaneRelatively Low$192K/yr expected annual loss, about once every 22 years
• LightningRelatively Moderate$270K/yr expected annual loss, about 64 events a year
• TornadoRelatively Low$862K/yr expected annual loss, about once every 3 years
• WildfireVery Low$30.6K/yr expected annual loss, about once every 678 years
• DroughtRelatively Low$78.3K/yr expected annual loss, about 11 events a year
• Ice stormRelatively Low$47.5K/yr expected annual loss, about once every 1 year
• HailVery Low$86.7K/yr expected annual loss, about 3.3 events a year
• Winter weatherVery Low$8,399/yr expected annual loss, about 4.5 events a year

Bars show the national percentile score (0 to 100) for each hazard. Dollar figures are expected annual losses to buildings, people and crops. Not rated here: avalanche, coastal flooding, riverine flooding, tsunami, volcanic activity.

Check the flood zone for an address

Homes with flood insurance

15 of 11,819 (0.1%)

Homes in high-risk flood zones

150

Insured in high-risk zones

10 (7%)

Flood claims since 1978

19

Claims paid since 1978

$504K

• Thunderstorm Wind112 · 1 death
• Hail83
• Heat66
• Flash Flood28
• Excessive Heat25
• Drought18
• Winter Storm16
• Tornado16
• Winter Weather14
• Cold/Wind Chill6

• TornadoF3, 30 mi path, 400 yd wide03/01/1997

  Ingomar, Union County

  16 injured, $250K damage

  What happened

  A second tornado developed in Calhoun county near Banner. This tornado also tracked northeast through extreme southeast Lafayette county, through the northwest part of Pontotoc county and through the middle of Union county. While damage occurred in all four counties, the most damage took place in Union county near the town of Martintown. All told 17 persons were injured. Ninety-one homes were damaged with forty-nine of these homes deemed uninhabitable.

• Thunderstorm Wind35 kt wind05/24/2015

  New Albany, Union County

  1 death, 2 injured

  What happened

  Strong winds knocked down a tree on Highway 30 just east of New Albany. The tree struck two cars killing one person. Two others received minor injuries. Several other limbs were knocked down in the city.

• Heavy Rain05/02/2010

  New Albany, Union County

  1 death

  What happened

  Heavy rain occurred in New Albany. One fatality occurred when a vehicle lost control on Highway 78 near New Albany during the heavy rain and hit a guardrail.

• TornadoF3, 20 mi path, 600 yd wide01/03/2000

  Pinedale, Union County

  4 injured, $250K damage

  What happened

  The tornado first developed just south of Highway 315 in the community of Hawkins Crossing and moved northeast across the northeast corner of Yalobusha county. The tornado continued into southwest Lafayette county and continued to travel northeast ending in Union county. In the town of Pinedale in southwest Union county, a new brick and vinyl siding home was obliterated. The debris extended up to 400 yards where a large freezer landed in a lake. A nearby pickup truck was rolled 20 yards and sustained extensive damage. Trees two to three feet in diameter were completely uprooted. In the town of Enterprise, a mobile home was completely destroyed and a conventional home sustained severe damage. Four other homes received extensive structural damage. The West Union School had minor roof damage and had numerous windows blown out. In the town of Myrtle, two mobile homes were destroyed and another mobile home was flipped on its side. In all, more than 60 homes were damaged in Union county.

• TornadoEF1, 21.48 mi path, 600 yd wide04/06/2025

  Flatwood, Union County

  $1.8M damage

  What happened

  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.

• TornadoEF1, 9.26 mi path, 300 yd wide12/16/2019

  Center, Union County

  1 injured, $250K damage

  What happened

  The first damage was observed to trees along Highway 348. The tornado was intermittently on the ground for the first six miles of its track, causing sporadic tree damage. The tornado intensified as it crossed County Road 172, with trees uprooted. As the tornado crossed Highway 9, several structures were damaged. Some were damaged by falling trees. Trees were also uprooted or trunks snapped. The last damage was observed along County Road 174 east of Highway 9. A total of 12 homes suffered damage. Peak winds were estimated at 90 mph.

• City of New AlbanyServes 8,900 · Groundwater · Local governmentNo health violations+4 monitoring or reporting
• Wallerville Water AssociationServes 2,886 · Groundwater · Public and privateNo health violations
• Ingomar Water AssociationServes 2,782 · Groundwater · Public and privateNo health violations
• Keownville Rural Water AssnServes 2,663 · Groundwater · Public and privateNo health violations+3 monitoring or reporting
• Town of MyrtleServes 2,037 · Groundwater · Local governmentNo health violations
• Blue Springs W/AServes 1,840 · Groundwater · Public and privateNo health violations
• Hwy 30 West Water AssociationServes 1,716 · Groundwater · Public and privateNo health violations+2 monitoring or reporting
• Mud Creek Water Association #4Serves 1,243 · Groundwater · Public and private1 health violation+9 monitoring or reporting