riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Lawrence County Disaster Risk

Lawrence County, Tennessee

FEMA Risk Rating

Relatively Low

National Percentile

70th

of 3,144 counties

State Rank

#27

of 95 (1 = highest risk)

Flood Risk

57th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 57% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 14% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 91% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 89% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 55% of US counties

Risk Overview

About Natural Disaster Risk in Lawrence County, Tennessee

Lawrence County faces above-average risk

Lawrence County scores 69.66 on the composite risk index with a Relatively Low rating, but this sits 17.2 points above Tennessee's average of 52.45. The county's risk profile is shaped by significant tornado and flood exposure.

Upper-middle risk tier in Tennessee

Lawrence County ranks among the higher-risk counties in Tennessee, placing it above roughly 60% of the state's other counties. Its tornado risk of 91.28 is particularly notable compared to state peers.

Highest risk in south-central cluster

Lawrence County's risk profile exceeds neighboring Maury and Giles counties, primarily due to elevated tornado (91.28) and flood (56.93) risks. Only Madison County to the north poses comparable threat levels in the immediate region.

Tornadoes and flooding are primary threats

Tornadoes represent your most significant natural disaster risk at 91.28, followed by flood hazard at 56.93—both well above state averages. Earthquake risk of 89.15 adds a third dimension of vulnerability often overlooked in this region.

Get flood insurance and storm coverage

Flood insurance is essential in Lawrence County due to your 56.93 flood risk score; standard homeowners policies exclude water damage. Verify your windstorm and hail coverage is adequate to handle severe tornado-season weather.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Lawrence County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    91th percentile
  2. #2
    EarthquakePrepare
    89th percentile
  3. #3
    FloodPrepare
    57th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Lawrence County

Risk Verdict

Natural hazard pressure in Lawrence County is below the national midpoint, with a composite score at the 70th percentile. Proactive emergency planning and awareness of the specific hazards driving Lawrence County's score can meaningfully reduce household risk.

Hazard Breakdown

Tornado risk is Lawrence County's dominant natural hazard, ranked at the 91th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 89th percentile nationally. Additional tracked hazards include flood (57th percentile), hurricane (55th percentile), wildfire (14th percentile).

Preparedness Context

With tornado ranked at the 91th percentile nationally, Lawrence County sits in a high-exposure zone where the difference between outcomes often comes down to proximity to a reinforced interior shelter and seconds of warning time. Earthquake is the second hazard driver for Lawrence County at the 89th percentile nationally, meaning households should maintain awareness of both severe-weather and earthquake-specific warning systems. For Lawrence County households, safe rooms certified to FEMA 320/361 standards offer the highest protection during a direct tornado hit; households without a safe room should locate the innermost lowest-floor room in their building and practice the route to it before storm season.

Regional Context

Lawrence County is 17.2 composite risk points above the Tennessee average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Lawrence County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Lawrence County, TN?
Lawrence County has a FEMA National Risk Index rating of Relatively Low, placing it in the 70th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Lawrence County?
Lawrence County is evaluated for five major natural hazard types: tornado (91th percentile), earthquake (89th percentile), flooding (57th percentile), hurricane (55th percentile), wildfire (14th percentile). The highest-risk hazard is tornado at the 91th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Lawrence County risk compare to the Tennessee average?
Lawrence County's composite risk percentile is 70th, compared to the Tennessee state average of 53th percentile. The state's overall risk rating is Relatively Low. This means Lawrence County faces higher natural disaster risk than the typical county in Tennessee.
Is Lawrence County at risk for tornado?
Yes, Lawrence County's tornado risk is at the 91th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Lawrence County is at the 57th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Lawrence County higher risk than average?
Lawrence County's composite risk score of 70th percentile is above the Tennessee state average of 53th percentile. This elevated risk is driven by tornado exposure (91th percentile), along with earthquake and flooding and hurricane risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.