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

Yazoo County Disaster Risk

Yazoo County, Mississippi

FEMA Risk Rating

Relatively Low

National Percentile

71th

of 3,144 counties

State Rank

#19

of 82 (1 = highest risk)

Flood Risk

49th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 49% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 45% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 89% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 63% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 71% of US counties

Risk Overview

About Natural Disaster Risk in Yazoo County, Mississippi

Yazoo's risk is slightly above the national average

With a composite risk score of 71.15 and a Relatively Low rating, Yazoo County faces moderate natural disaster risk that exceeds typical American counties. This score reflects exposure to multiple hazards, particularly severe tornadoes and significant hurricane potential.

Above-average risk for Mississippi

Yazoo County's composite risk score of 71.15 is 40% higher than Mississippi's state average of 50.94, placing it among the more hazard-prone counties in the state. Tornado and hurricane risks drive much of this elevation above the state baseline.

Significantly riskier than neighboring Yalobusha

Yazoo's composite risk score of 71.15 towers over neighboring Yalobusha County's 19.53—nearly a 4-fold difference. This makes Yazoo substantially more exposed to natural disasters than surrounding counties, especially tornado activity.

Tornadoes and hurricanes demand attention

Yazoo County faces exceptional tornado risk with a score of 89.15 and significant hurricane risk at 70.50, making these the primary threats to residents and property. Flood risk of 48.54 and wildfire risk of 44.53 also warrant preparedness planning.

Comprehensive insurance and a safety plan are essential

Yazoo residents should prioritize homeowners insurance with adequate wind and hail coverage, plus separate flood insurance given the 48.54 flood risk score. Designate a storm shelter or safe room and maintain an emergency kit stocked for tornado season and hurricane warnings.

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

Preparedness Guide

What to Prepare for in Yazoo County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    89th percentile
  2. #2
    HurricanePrepare
    71th percentile
  3. #3
    EarthquakePrepare
    63th percentile

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

Risk Advisory: Yazoo County

Risk Verdict

Yazoo County ranks at the 71th percentile nationally for natural disaster risk — below the median for U.S. counties. Residents are encouraged to understand which hazards dominate locally and tailor their preparedness accordingly.

Hazard Breakdown

Tornado risk is Yazoo County's dominant natural hazard, ranked at the 89th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 71th percentile nationally. Additional tracked hazards include earthquake (63th percentile), flood (49th percentile), wildfire (45th percentile).

Preparedness Context

Yazoo County ranks at the 89th percentile nationally for tornado exposure. Unlike many slow-onset hazards, tornadoes in Yazoo County can reach full intensity in minutes; a pre-practiced household shelter plan matters far more than stockpiled supplies. Hurricane is the second hazard driver for Yazoo County at the 71th percentile nationally, meaning households should maintain awareness of both severe-weather and hurricane-specific warning systems. Yazoo County county emergency management typically publishes annual severe-weather preparedness guides tailored to local tornado patterns; households benefit from reviewing these before storm season begins each spring.

Regional Context

Compared to other Mississippi counties, Yazoo County runs 20.2 composite risk points higher than the state mean — reflecting above-average hazard concentration in this area.

Is your household prepared for Yazoo 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 Yazoo County, MS?
Yazoo County has a FEMA National Risk Index rating of Relatively Low, placing it in the 71th 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 Yazoo County?
Yazoo County is evaluated for five major natural hazard types: tornado (89th percentile), hurricane (71th percentile), earthquake (63th percentile), flooding (49th percentile), wildfire (45th percentile). The highest-risk hazard is tornado at the 89th 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 Yazoo County risk compare to the Mississippi average?
Yazoo County's composite risk percentile is 71th, compared to the Mississippi state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Yazoo County faces higher natural disaster risk than the typical county in Mississippi.
Is Yazoo County at risk for tornado?
Yes, Yazoo County's tornado risk is at the 89th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Yazoo County is at the 49th 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 Yazoo County higher risk than average?
Yazoo County's composite risk score of 71th percentile is above the Mississippi state average of 51th percentile. This elevated risk is driven by tornado exposure (89th percentile), along with hurricane and earthquake 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.