riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Buchanan County Disaster Risk

Buchanan County, Virginia

FEMA Risk Rating

Relatively Low

NRI score (0–100 relative scale)

50.6

FEMA composite county value

State Rank

#35

of 133, sorted high to low by RiskByCounty

Flood NRI score

70.2

higher coastal/inland value

Hazard Risk Breakdown

Five selected hazard categories out of FEMA's 18. Values are FEMA NRI v1.20 scores on a 0–100 relative scale.

Wildfire

72.0 / 100

Flood

70.2 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (70.2) NRI scores.

Earthquake

48.1 / 100

Hurricane

46.1 / 100

Tornado

9.9 / 100

FEMA NRI data summary

Selected hazard scores for Buchanan County

Among the five hazard categories displayed by RiskByCounty, wildfire has the highest NRI score for this county.

Wildfire
72.0
Flood
70.2
Earthquake
48.1
Hurricane
46.1
Tornado
9.9

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
70.2
Coastal Flooding
Not available
Inland Flooding
70.2

These five categories are a selected subset of FEMA's 18 natural hazards. FEMA's composite score and official rating are separate fields in the National Risk Index dataset.

FEMA National Risk Index documentation

Official Ready.gov resource

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Frequently Asked Questions

How many Virginia county records are included?
RiskByCounty includes 133 Virginia county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Virginia?
FEMA NRI v1.20 (December 2025) county rating counts for Virginia: Very Low: 85; Relatively Low: 42; Relatively Moderate: 5; Relatively High: 1; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Virginia?
FEMA NRI v1.20 (December 2025) availability among 133 county records: Flood: 133 of 133; Wildfire: 133 of 133; Tornado: 133 of 133; Earthquake: 133 of 133; Hurricane: 133 of 133. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Buchanan County, VA?
Buchanan County has an official FEMA NRI v1.20 composite rating of Relatively Low and an NRI score (0–100 relative scale) of 50.6. RiskByCounty ranks it 35th of 133 Virginia county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Buchanan County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Buchanan County, Wildfire: 72.0; Flood: 70.2; Earthquake: 48.1; Hurricane: 46.1; Tornado: 9.9.
How is flood displayed for Buchanan County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Buchanan County, Coastal Flooding is Not available, Inland Flooding is 70.2, and the displayed flood score is 70.2.

Counties with Similar Risk

Wise County

Virginia

-0.2

Relatively Low

NRI score 50.4

Bedford County

Virginia

+0.6

Relatively Low

NRI score 51.2

Lynchburg city

Virginia

-1.3

Relatively Low

NRI score 49.3

Published by RiskByCounty

County summaries are deterministic transformations of frozen FEMA county fields. No external subject-matter reviewer is credited.

Published · Updated

Data Source

County data sourced from FEMA National Risk Index v1.20, released December 2025. Values are labeled NRI score (0–100 relative scale). RiskByCounty displays five selected hazard categories out of FEMA's 18; flood is the higher of the Coastal Flooding and Inland Flooding source scores.

RiskByCounty presents county-level source fields and deterministic arithmetic summaries.

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