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Utah · FEMA + NOAA + National Risk Index

Summit County, UT

2 FEMA disaster declarations (2013–2021), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Fire.

2
FEMA declarations
0
Major disasters
60
NRI risk · Relatively Low
Fire
Top hazard

The verdict

Summit County ranks in the riskiest 40% of U.S. counties for FEMA-modeled hazard risk, with more federally declared disasters than 22% of the 2,791 counties FEMA tracks. FEMA rates the county's overall risk as Relatively Low, based on 2 federal disaster declarations recorded since 2013, most often fire, 48% below the national county average of 4.

Riskiest 40%
of U.S. counties for FEMA National Risk Index score
Relatively Low
FEMA National Risk Index rating
2
FEMA declarations vs 4 national county avg
2
fire declarations, the most common hazard here

FEMA's National Risk Index score reflects expected annual loss, social vulnerability, and community resilience; the declaration count above reflects only Presidentially declared disasters, not every hazard event.

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How does Summit County compare?

Summit County vs. every U.S. county

FEMA disaster declarations, all-time

2 22nd percentile higher than 22% of 2,791 counties

This county 0 30 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-07-25

Summit County's FEMA Risk Index score

FEMA National Risk Index composite score vs. the Utah county average

0/100100/100Utah avg45/10060.1/100
FEMA National Risk Index composite score vs. the Utah county average

How disaster-prone is Summit County?

Declaration frequency

Summit County, Utah has recorded 2 FEMA disaster declarations between 2013 and 2021, of which 0 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 0.3 declarations per year across a 8-year record, or roughly 3% below the Utah county average of 2.1 and 48% below the national county average of 3.8. The dominant disaster type on record is Fire, with 2 of 2 declarations falling under this category.

FEMA National Risk Index

This county carries a high composite score on FEMA's National Risk Index, 60.1/100, rated Relatively Low. Its Expected Annual Loss rating is Relatively Low (roughly $38.6M in annualized losses), and a Very Low social-vulnerability profile combined with Very High community resilience shapes how much of that raw exposure becomes realized harm. Of the 18 hazards FEMA models, Avalanche stands out as the sharpest exposure here, rated Very High.

Flood exposure & the bottom line

Taken together, Summit County reads as low relative risk on this historical lens, fewer federally recognized disasters than a typical U.S. county.

Risk Assessment

Risk Level

Low

vs. Utah Avg

-3%

State avg: 2.1

vs. National Avg

-48%

National avg: 3.8

Avg Per Year

0.3

Over 8 years

FEMA NRI 8-hazard radar - Summit County

Summit County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 8, Flood 0, Hurricane 0, Tornado 8, Wildfire 48, Drought 8, Heat Wave 8, Winter Storm 70. Overall composite 19 of 100, classified Low. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 19 composite
Summit County NRI risk profile FIPS 49043 · composite 19/100 (Low)
How to read this radar

The radar plots Summit County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

2

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

49043

UT state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Fire 2

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Fire Management - 2 100.0%

of all 2 declarations

FEMA Declarations Timeline

Year Declarations
2021 1
2013 1

Disaster Declarations

DR# Title Type Incident Date
5408 PARLEYS CANYON FIRE FM Fire 2021-08-14
5044 ROCKPORT FIVE FIRE FM Fire 2013-08-13

Storm Events in Utah

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 1,713 3 7 $2.4M
Flash Flood 660 30 20 $138.2M
High Wind 605 4 60 $13.0M
Heavy Snow 567 2 4 $2.4M
Drought 368 0 0 $0

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

Overall Risk

Relatively Low

Score: 60.1/100

Expected Annual Loss

Relatively Low

$38.6M/year

Social Vulnerability

Very Low

Community Resilience

Very High

Hazard Risk Breakdown

Avalanche Very High
Wildfire Relatively Moderate
Landslide Relatively Moderate
Lightning Relatively High
Winter Weather Relatively High
Strong Wind Relatively Moderate
Earthquake Very Low
Volcanic Activity Very Low
Drought Very Low
Heat Wave Very Low
Ice Storm Very Low
Tornado Very Low
Hail Very Low
Cold Wave Very Low

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in Utah

Frequently Asked Questions

How many natural disasters has Summit County, Utah had?
Summit County, Utah has received 2 FEMA disaster declarations from 2013 to 2021.
What is the most common disaster type in Summit County?
The most common disaster type in Summit County is Fire, with 2 declarations.
How does Summit County's disaster risk compare to the Utah average?
Summit County has 2 disaster declarations, which is 3% lower than the Utah county average of 2.1 declarations. Compared to the national county average of 3.8, it is 48% lower.
What types of storms are most common in Utah?
The most common storm types in Utah include Thunderstorm Wind (1,713 events), Flash Flood (660 events), High Wind (605 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Summit County?
The most active year for disaster declarations in Summit County was 2013, with 1 declaration. The county has FEMA disaster data spanning 2013 to 2021.
What is the overall disaster risk level for Summit County?
Summit County's 2 FEMA disaster declarations put it in the low-risk band, fewer federally recognized disasters than a typical U.S. county over the same span.
What is the FEMA National Risk Index score for Summit County?
According to the FEMA National Risk Index, Summit County, Utah has an overall risk score of 60.1 out of 100 (Relatively Low). The county's social vulnerability rating is Very Low and community resilience is Very High. The Expected Annual Loss (EAL) score is Relatively Low, representing $38.6M in annualized losses.
Which natural hazard poses the greatest risk to Summit County?
Based on FEMA NRI data, the highest-risk natural hazard in Summit County is Avalanche (risk rating: Very High). Other significant hazards include Wildfire (Relatively Moderate) and Landslide (Relatively Moderate). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Summit County

Summit County, UT runs 3% below the Utah county average for federal disaster declarations (2 vs 2), a low historical load overall.

  • Its most common federal declaration type is fire management (2 of 2) - know the hazards most likely here before they happen. Utah overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.