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

Clay County Disaster Risk

Clay County, Missouri

FEMA Risk Rating

Relatively Moderate

National Percentile

90th

of 3,144 counties

State Rank

#7

of 115 (1 = highest risk)

Flood Risk

88th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 88% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 69% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 96% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 64% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Clay County, Missouri

Clay County faces highest risk

Clay County scores 89.79—the highest among these eight counties and well above Missouri's state average of 50.56—earning a Relatively Moderate national rating. The county's extreme tornado exposure (96.18) and severe flooding (87.75) create the most challenging disaster risk profile in the region.

Missouri's riskiest county

Clay County ranks among Missouri's highest-risk jurisdictions, with a 89.79 score driven by exceptional tornado and flood vulnerability. Few Missouri counties face comparable natural disaster exposure.

Severe hazards dominate

Clay County's 89.79 score far exceeds all nearby counties, including Christian County (66.48) and Cass County (74.90). Its tornado risk of 96.18 stands as the highest recorded across these eight counties, making it a distinct severe-weather hotspot.

Tornadoes and flooding rule

Tornadoes present an extreme threat with a 96.18 risk score—the highest in the region—while flooding (87.75) poses an equally serious secondary hazard affecting basements, crawl spaces, and low-lying structures. Earthquake (63.71) and wildfire (69.12) risks compound the exposure.

Multi-layer protection critical

Clay County residents must invest in safe rooms or shelters, ensuring homeowners insurance includes tornado coverage with high limits and guaranteed replacement cost. Flood insurance is essential for any property near rivers, creeks, or low areas; review coverage annually and maintain emergency supplies year-round.

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

Preparedness Guide

What to Prepare for in Clay County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    96th percentile
  2. #2
    FloodPrepare
    88th percentile
  3. #3
    WildfirePrepare
    69th percentile

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

Risk Advisory: Clay County

Risk Verdict

At the 90th percentile nationally, Clay County sits in the upper half of U.S. counties for natural disaster exposure. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Clay County residents.

Hazard Breakdown

Tornado risk is Clay County's dominant natural hazard, ranked at the 96th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 88th percentile nationally. Additional tracked hazards include wildfire (69th percentile), earthquake (64th percentile), hurricane (0th percentile).

Preparedness Context

Tornado exposure at the 96th percentile nationally makes Clay County a county where a battery-powered weather radio — not just smartphone apps — is a worthwhile household investment, given that mobile networks often fail during severe storms. Alongside tornado exposure, flood at the 88th percentile nationally means Clay County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. In Clay County, tornado watches indicate favorable atmospheric conditions while warnings mean rotation has been detected — households benefit from understanding this distinction so they shelter immediately on a warning, not after seeking visual confirmation.

Regional Context

The Missouri county average is 39.2 composite points below Clay County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Clay 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 Clay County, MO?
Clay County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 90th 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 Clay County?
Clay County is evaluated for five major natural hazard types: tornado (96th percentile), flooding (88th percentile), wildfire (69th percentile), earthquake (64th percentile), hurricane (0th percentile). The highest-risk hazard is tornado at the 96th 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 Clay County risk compare to the Missouri average?
Clay County's composite risk percentile is 90th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Clay County faces higher natural disaster risk than the typical county in Missouri.
Is Clay County at risk for tornado?
Yes, Clay County's tornado risk is at the 96th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Clay County is at the 88th 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 Clay County higher risk than average?
Clay County's composite risk score of 90th percentile is above the Missouri state average of 51th percentile. This elevated risk is driven by tornado exposure (96th percentile), along with flooding and wildfire 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.