riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Grays Harbor County Disaster Risk

Grays Harbor County, Washington

FEMA Risk Rating

Relatively High

NRI score (0–100 relative scale)

97.0

FEMA composite county value

State Rank

#4

of 39, sorted high to low by RiskByCounty

Flood NRI score

99.0

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.

Flood

99.0 / 100

Higher of FEMA Coastal Flooding (99.0) and Inland Flooding (83.8) NRI scores.

Earthquake

98.1 / 100

Wildfire

33.9 / 100

Tornado

13.2 / 100

FEMA NRI data summary

Selected hazard scores for Grays Harbor County

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

Flood
99.0
Earthquake
98.1
Wildfire
33.9
Tornado
13.2
Hurricane
Not available

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
99.0
Coastal Flooding
99.0
Inland Flooding
83.8

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 Washington county records are included?
RiskByCounty includes 39 Washington county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Washington?
FEMA NRI v1.20 (December 2025) county rating counts for Washington: Very Low: 8; Relatively Low: 11; Relatively Moderate: 15; Relatively High: 4; Very High: 1; Not available: 0.
How complete are the five selected hazard fields for Washington?
FEMA NRI v1.20 (December 2025) availability among 39 county records: Flood: 39 of 39; Wildfire: 39 of 39; Tornado: 39 of 39; Earthquake: 39 of 39; Hurricane: 0 of 39. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Grays Harbor County, WA?
Grays Harbor County has an official FEMA NRI v1.20 composite rating of Relatively High and an NRI score (0–100 relative scale) of 97.0. RiskByCounty ranks it 4th of 39 Washington county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Grays Harbor County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Grays Harbor County, Flood: 99.0; Earthquake: 98.1; Wildfire: 33.9; Tornado: 13.2.
How is flood displayed for Grays Harbor County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Grays Harbor County, Coastal Flooding is 99.0, Inland Flooding is 83.8, and the displayed flood score is 99.0.

Counties with Similar Risk

Snohomish County

Washington

+0.9

Relatively High

NRI score 97.9

Pierce County

Washington

+1.6

Relatively High

NRI score 98.5

Thurston County

Washington

-2.5

Relatively High

NRI score 94.5

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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