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

Lorain County Disaster Risk

Lorain County, Ohio

FEMA Risk Rating

Relatively Moderate

National Percentile

86th

of 3,144 counties

State Rank

#9

of 88 (1 = highest risk)

Flood Risk

90th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 90% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 46% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 91% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 75% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 51% of US counties

Risk Overview

About Natural Disaster Risk in Lorain County, Ohio

Lorain County faces elevated natural hazard risk

Lorain County's composite risk score of 86.26 significantly exceeds the national average and carries a Relatively Moderate rating. This county represents one of the higher-risk areas for natural disasters in the nation.

Second-highest risk in Ohio

At 86.26, Lorain County ranks second among all Ohio counties in composite risk, far exceeding the state average of 55.03. Only one county in Ohio carries greater natural hazard exposure.

Significantly riskier than surrounding region

Lorain County's 86.26 score substantially outpaces most northwest Ohio neighbors, positioning it as the region's natural hazard hotspot. Its extreme tornado and flood risks create a particularly dangerous combination.

Tornadoes and floods create compound risk

Lorain County experiences catastrophic tornado risk at 90.94 and extreme flood exposure at 90.24—among the highest levels statewide for both hazards. Earthquake exposure at 74.62 adds a third significant concern uncommon in neighboring counties.

Comprehensive, robust coverage is mandatory

Lorain County residents must carry flood insurance and maximum tornado/wind coverage given the extraordinary 90.94 tornado and 90.24 flood scores. Consider investing in a safe room or reinforced shelter to protect against the region's severe storm environment.

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

Preparedness Guide

What to Prepare for in Lorain County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    91th percentile
  2. #2
    FloodPrepare
    90th percentile
  3. #3
    EarthquakePrepare
    75th percentile

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

Risk Advisory: Lorain County

Risk Verdict

Lorain County registers a moderately elevated natural disaster risk, ranking at the 86th percentile across all U.S. counties. High composite risk signals that multiple hazard types are elevated simultaneously; planning for more than one scenario is important in Lorain County.

Hazard Breakdown

Tornado risk is Lorain County's dominant natural hazard, ranked at the 91th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 90th percentile nationally. Additional tracked hazards include earthquake (75th percentile), hurricane (51th percentile), wildfire (46th percentile).

Preparedness Context

Lorain County's primary hazard, tornado, ranks at the 91th percentile nationally. In Lorain County, mobile homes and manufactured housing face significantly higher tornado risk than site-built structures; residents in these homes should identify the nearest permanent community shelter in advance. The secondary flood hazard at the 90th percentile nationally adds seasonal complexity to Lorain County's preparedness calendar, since flood and tornado risk often peak at different points in the year. The highest-risk window for tornado fatalities is overnight, when Lorain County residents may be asleep. A NOAA weather radio with overnight alert capability is the single most impactful low-cost preparedness step available to Lorain County households.

Regional Context

Lorain County falls 31.2 points above Ohio's typical county risk level, which means the hazard environment here is notably more demanding than the state baseline.

Is your household prepared for Lorain 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 Lorain County, OH?
Lorain County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 86th 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 Lorain County?
Lorain County is evaluated for five major natural hazard types: tornado (91th percentile), flooding (90th percentile), earthquake (75th percentile), hurricane (51th percentile), wildfire (46th 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 Lorain County risk compare to the Ohio average?
Lorain County's composite risk percentile is 86th, compared to the Ohio state average of 55th percentile. The state's overall risk rating is Relatively Low. This means Lorain County faces higher natural disaster risk than the typical county in Ohio.
Is Lorain County at risk for tornado?
Yes, Lorain County's tornado risk is at the 91th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Lorain County is at the 90th 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 Lorain County higher risk than average?
Lorain County's composite risk score of 86th percentile is above the Ohio state average of 55th percentile. This elevated risk is driven by tornado exposure (91th percentile), along with flooding and earthquake 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.