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

Platte County Disaster Risk

Platte County, Missouri

FEMA Risk Rating

Relatively Low

National Percentile

71th

of 3,144 counties

State Rank

#29

of 115 (1 = highest risk)

Flood Risk

66th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 66% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 61% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 88% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 42% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Platte County, Missouri

Platte County faces tornado threat

Platte County's composite risk score of 71.37 places it above the national average with a relatively low overall rating, but this masks a critical vulnerability. The county's tornado risk of 88.01 is exceptionally high—among the most dangerous in the nation—while flood risk (65.90) and wildfire risk (60.59) add additional layers of exposure.

High-risk tornado county in Missouri

Platte County's composite score of 71.37 ranks it as one of Missouri's higher-risk counties, well above the state average of 50.56. The tornado risk of 88.01 is the primary driver, making it a standout danger in the state's hazard landscape.

Tornado danger distinguishes Platte

Platte County (71.37) carries substantially higher risk than Pike County (40.30) and Randolph County (35.85) due to its exceptional tornado vulnerability. Even Polk County (54.48) and Pulaski County (60.53), both relatively high-risk, show lower tornado exposure than Platte's 88.01 score.

Tornados dominate the threat picture

Platte County's tornado risk of 88.01 is the dominant hazard, far exceeding all other threats and positioning residents in a high-impact zone. Flood risk (65.90) and wildfire risk (60.59) are secondary concerns, while earthquake risk (42.14) remains relatively modest.

Tornado preparedness is essential

Platte County residents must prioritize access to a safe room or basement and keep homeowners insurance current to cover wind and impact damage. Adding flood insurance protects against the county's secondary flood threat, and staying weather-aware during spring and fall severe seasons is critical for survival.

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

Preparedness Guide

What to Prepare for in Platte County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    88th percentile
  2. #2
    FloodPrepare
    66th percentile
  3. #3
    WildfirePrepare
    61th percentile

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

Risk Advisory: Platte County

Risk Verdict

Natural hazard pressure in Platte County is below the national midpoint, with a composite score at the 71th percentile. Proactive emergency planning and awareness of the specific hazards driving Platte County's score can meaningfully reduce household risk.

Hazard Breakdown

Tornado risk is Platte County's dominant natural hazard, ranked at the 88th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 66th percentile nationally. Additional tracked hazards include wildfire (61th percentile), earthquake (42th percentile), hurricane (0th percentile).

Preparedness Context

With tornado ranked at the 88th percentile nationally, Platte 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. Flood is the second hazard driver for Platte County at the 66th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. For Platte 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

Platte County is 20.8 composite risk points above the Missouri average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Platte 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 Platte County, MO?
Platte 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 Platte County?
Platte County is evaluated for five major natural hazard types: tornado (88th percentile), flooding (66th percentile), wildfire (61th percentile), earthquake (42th percentile), hurricane (0th percentile). The highest-risk hazard is tornado at the 88th 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 Platte County risk compare to the Missouri average?
Platte County's composite risk percentile is 71th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Platte County faces higher natural disaster risk than the typical county in Missouri.
Is Platte County at risk for tornado?
Yes, Platte County's tornado risk is at the 88th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Platte County is at the 66th 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 Platte County higher risk than average?
Platte County's composite risk score of 71th percentile is above the Missouri state average of 51th percentile. This elevated risk is driven by tornado exposure (88th percentile), along with flooding and wildfire 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.