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

Nelson County Disaster Risk

Nelson County, Virginia

FEMA Risk Rating

Very Low

National Percentile

34th

of 3,144 counties

State Rank

#57

of 133 (1 = highest risk)

Flood Risk

58th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 58% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 47% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 20% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 45% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 68% of US counties

Risk Overview

About Natural Disaster Risk in Nelson County, Virginia

Nelson remains below national averages

Nelson County's composite risk score of 34.10 earns a Very Low rating, positioning it safely below the nation's average natural disaster exposure. Your community faces significantly less overall threat than typical American counties.

Slightly elevated within Virginia

At 34.10, Nelson's score marginally exceeds Virginia's state average of 33.27, making it just above the middle of the risk spectrum statewide. You occupy a position of mild exposure within your state context.

Moderate risk within piedmont region

Nelson (34.10) sits between Middlesex's safer profile (23.79) and Northumberland's higher exposure (39.98), ranking in the region's middle tier. Your Blue Ridge location carries slightly elevated risks compared to the state's coastal lowlands.

Wildfire and flood present primary hazards

Wildfire risk reaches 46.66—the highest in your profile—reflecting mountain terrain and forest cover, while flood risk stands at 58.24 from rivers and heavy rain. Hurricane (67.58) and earthquake (45.36) threats are notable but secondary to these primary dangers.

Wildfire and flood insurance matter most

Secure flood insurance immediately, as it's excluded from standard homeowners policies and your river valley position makes you vulnerable. Create defensible space around structures, maintain gutters free of debris, and ensure your home meets current wildfire-resistant building standards.

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

Preparedness Guide

What to Prepare for in Nelson County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    68th percentile
  2. #2
    FloodPrepare
    58th percentile
  3. #3
    WildfirePrepare
    47th percentile

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

Risk Advisory: Nelson County

Risk Verdict

Compared to the nation's 3,144 counties, Nelson County ranks at the 34th percentile for natural disaster risk — toward the safer end of the spectrum. A 34th percentile score positions Nelson County among the nation's lower-risk counties, a genuinely favorable outcome — one that simple, low-cost preparedness habits can reinforce further.

Hazard Breakdown

Hurricane risk is Nelson County's dominant natural hazard, ranked at the 68th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 58th percentile nationally. Additional tracked hazards include wildfire (47th percentile), earthquake (45th percentile), tornado (20th percentile).

Preparedness Context

With hurricane ranked at the 68th percentile nationally, Nelson County sits in a zone where multi-day supply readiness matters: grid outages after landfalling storms can last one to three weeks in heavily affected areas. Flood at the 58th percentile nationally is Nelson County's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. Insurance gaps are the most common post-hurricane financial shock: standard homeowners policies typically exclude flood damage and may have a separate wind deductible. Nelson County households benefit from a pre-season insurance review confirming both wind and flood coverage.

Regional Context

Nelson County sits within 0.8 composite points of the Virginia state average, suggesting the county's hazard exposure is representative of the broader regional pattern.

Is your household prepared for Nelson 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 Nelson County, VA?
Nelson County has a FEMA National Risk Index rating of Very Low, placing it in the 34th 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 Nelson County?
Nelson County is evaluated for five major natural hazard types: hurricane (68th percentile), flooding (58th percentile), wildfire (47th percentile), earthquake (45th percentile), tornado (20th percentile). The highest-risk hazard is hurricane at the 68th 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 Nelson County risk compare to the Virginia average?
Nelson County's composite risk percentile is 34th, compared to the Virginia state average of 33th percentile. The state's overall risk rating is Very Low. This means Nelson County faces higher natural disaster risk than the typical county in Virginia.
Is Nelson County at risk for hurricane?
Yes, Nelson County's hurricane risk is at the 68th percentile nationally. This is above the national median. For flooding specifically, Nelson County is at the 58th 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 Nelson County higher risk than average?
Nelson County's composite risk score of 34th percentile is above the Virginia state average of 33th percentile. This elevated risk is driven by hurricane exposure (68th percentile), along with flooding 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.