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

Buchanan County Disaster Risk

Buchanan County, Virginia

FEMA Risk Rating

Relatively Low

National Percentile

51th

of 3,144 counties

State Rank

#35

of 133 (1 = highest risk)

Flood Risk

70th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 70% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 72% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 10% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 48% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 46% of US counties

Risk Overview

About Natural Disaster Risk in Buchanan County, Virginia

Buchanan faces above-average disaster risk

Buchanan County's composite risk score of 50.60 places it above the national average, earning a 'Relatively Low' rating that masks significant hazard concentration. The county experiences notably elevated flood (70.20) and wildfire (72.04) exposure due to mountainous terrain and water features. Understanding these localized threats is essential for residents.

Riskier than most Virginia counties

Buchanan's score of 50.60 substantially exceeds Virginia's state average of 33.27, placing it solidly in the state's higher-risk tier. Only counties like Augusta (68.61) and Bedford (51.18) approach Buchanan's exposure level. This elevated standing reflects the county's mountain geography and water system vulnerability.

Buchanan matches Bedford's moderate-high risk

Bedford County (51.18) shares nearly identical composite risk to Buchanan, while Bath County (5.38) and Bland County (13.04) represent a vastly safer universe. Augusta County (68.61) to the east runs notably higher. Buchanan sits in a moderate-risk corridor with significant water and wildfire exposure compared to its mountain peers.

Wildfire and flood dominate your hazard profile

Wildfire risk (72.04) and flood risk (70.20) are nearly equivalent and substantially elevated, reflecting Buchanan's mountainous terrain and stream network. Earthquake (48.09) and hurricane (46.10) exposure remain moderate, while tornado risk (9.92) stays minimal. These two primary threats shape your emergency preparedness priorities.

Water and wildfire coverage are priorities

Flood insurance deserves serious consideration given your 70.20 flood risk score, particularly if you're near streams, hollers, or historical flood zones. Review your homeowners policy for adequate coverage limits and ensure it addresses wildfire damage potential (72.04 risk). Work with a local insurance professional who understands Buchanan's specific mountain hazards.

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

Preparedness Guide

What to Prepare for in Buchanan County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    72th percentile
  2. #2
    FloodPrepare
    70th percentile
  3. #3
    EarthquakePrepare
    48th percentile

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

Risk Advisory: Buchanan County

Risk Verdict

Buchanan County's FEMA risk score places it at the 51th percentile nationally, indicating lower-than-typical exposure for a U.S. county. A moderate composite score often means one or two hazard categories are doing the heavy lifting — knowing which ones matters for preparation.

Hazard Breakdown

Wildfire risk is Buchanan County's dominant natural hazard, ranked at the 72th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 70th percentile nationally. Additional tracked hazards include earthquake (48th percentile), hurricane (46th percentile), tornado (10th percentile).

Preparedness Context

Buchanan County sits at the 72th percentile for wildfire exposure. Signing up for Buchanan County's county emergency alert system and knowing the pre-planned evacuation route before conditions deteriorate are the two highest-value preparedness actions for residents here. Alongside wildfire, flood at the 70th percentile nationally means a multi-season preparedness mindset — fire season and flood or storm season often require different household plans. In Buchanan County, wildfire smoke often precedes the flame front by hours or days; households benefit from tracking EPA's AirNow.gov and having HEPA air filtration available as a first line of indoor protection when air quality alerts are issued.

Regional Context

The Virginia county average is 17.3 composite points below Buchanan County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Buchanan 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 Buchanan County, VA?
Buchanan County has a FEMA National Risk Index rating of Relatively Low, placing it in the 51th 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 Buchanan County?
Buchanan County is evaluated for five major natural hazard types: wildfire (72th percentile), flooding (70th percentile), earthquake (48th percentile), hurricane (46th percentile), tornado (10th percentile). The highest-risk hazard is wildfire at the 72th 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 Buchanan County risk compare to the Virginia average?
Buchanan County's composite risk percentile is 51th, compared to the Virginia state average of 33th percentile. The state's overall risk rating is Very Low. This means Buchanan County faces higher natural disaster risk than the typical county in Virginia.
Is Buchanan County at risk for wildfire?
Yes, Buchanan County's wildfire risk is at the 72th percentile nationally. This is above the national median. For flooding specifically, Buchanan County is at the 70th 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 Buchanan County higher risk than average?
Buchanan County's composite risk score of 51th percentile is above the Virginia state average of 33th percentile. This elevated risk is driven by wildfire exposure (72th 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.