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

Monongalia County Disaster Risk

Monongalia County, West Virginia

FEMA Risk Rating

Relatively Low

National Percentile

72th

of 3,144 counties

State Rank

#11

of 55 (1 = highest risk)

Flood Risk

85th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 85% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 31% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 46% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 44% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 63% of US counties

Risk Overview

About Natural Disaster Risk in Monongalia County, West Virginia

Monongalia County faces significant national hazard exposure

Monongalia County's composite risk score of 71.53 is 45% above West Virginia's state average of 49.21 and well above the national average. The county ranks among the nation's more disaster-exposed counties, with elevated risk across multiple hazard categories.

Fourth-highest risk county in West Virginia

Monongalia County ranks in the top tier of West Virginia's most hazard-prone counties, with only McDowell (76.65) and Mingo (72.58) carrying notably higher overall risk. Its 71.53 score reflects substantial exposure to flooding, hurricanes, and tornados.

Riskier than Marshall and Mineral to the south

Monongalia County's score of 71.53 substantially exceeds Marshall County (56.81), Mason County (57.44), and Mineral County (52.83) in the region. The county faces notably higher overall disaster risk than most of its neighboring jurisdictions.

Flooding, hurricanes, and tornados are major threats

Monongalia County's flood risk of 84.99 is among the state's highest, while hurricane risk of 63.16 ranks third statewide. Tornado risk of 46.02 is substantially elevated compared to other West Virginia counties, creating a complex multi-hazard landscape.

Comprehensive coverage needed for Monongalia

Flood insurance is essential given the 84.99 flood risk, with particular attention to properties in floodplain or water-adjacent areas. Ensure homeowners insurance includes adequate hurricane and wind coverage given the county's elevated 63.16 hurricane and 46.02 tornado risk scores.

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

Preparedness Guide

What to Prepare for in Monongalia County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    85th percentile
  2. #2
    HurricanePrepare
    63th percentile
  3. #3
    TornadoPrepare
    46th percentile

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

Risk Advisory: Monongalia County

Risk Verdict

Monongalia County has a below-average natural disaster risk profile, scoring at the 72th percentile nationally under FEMA's National Risk Index. Households in Monongalia County benefit from knowing which individual hazard types — flood, wildfire, tornado, or hurricane — are the primary contributors.

Hazard Breakdown

Flood risk is Monongalia County's dominant natural hazard, ranked at the 85th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 63th percentile nationally. Additional tracked hazards include tornado (46th percentile), earthquake (44th percentile), wildfire (31th percentile).

Preparedness Context

Monongalia County's top natural hazard is flood risk, ranked at the 85th percentile nationally. Homeowners here should confirm whether they are in a FEMA-designated flood zone and check if standard homeowners insurance covers flood damage — it typically does not. The county's second-ranked hazard, hurricane at the 63th percentile nationally, means Monongalia County residents face compounding risks from multiple natural hazard types during peak seasons. For most Monongalia County households, the highest-return preparedness step is storing critical documents in digital cloud backup combined with a pre-designated family meeting point if communication is disrupted.

Regional Context

Monongalia County's composite risk score sits 22.3 points above the West Virginia county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Monongalia 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 Monongalia County, WV?
Monongalia County has a FEMA National Risk Index rating of Relatively Low, placing it in the 72th 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 Monongalia County?
Monongalia County is evaluated for five major natural hazard types: flooding (85th percentile), hurricane (63th percentile), tornado (46th percentile), earthquake (44th percentile), wildfire (31th percentile). The highest-risk hazard is flooding at the 85th 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 Monongalia County risk compare to the West Virginia average?
Monongalia County's composite risk percentile is 72th, compared to the West Virginia state average of 49th percentile. The state's overall risk rating is Relatively Low. This means Monongalia County faces higher natural disaster risk than the typical county in West Virginia.
Is Monongalia County at risk for flooding?
Yes, Monongalia County's flooding risk is at the 85th percentile nationally. This places it in the top quartile for this hazard type.
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 Monongalia County higher risk than average?
Monongalia County's composite risk score of 72th percentile is above the West Virginia state average of 49th percentile. This elevated risk is driven by flooding exposure (85th percentile), along with 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.