Natural Disasters in Roy, UT

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

87.0

Relatively Moderate

Expected Annual Loss

91.0

Score (0-100)

Social Vulnerability

10.6

Score (0-100)

Community Resilience

86.5

Score (0-100)

Top Hazard Risks

Earthquake97.7Lightning94.6Wildfire94.1

Hazard	Risk Score
Earthquake	97.7
Lightning	94.6
Wildfire	94.1
Avalanche	93.4
Winter Weather	90.5
Heat Wave	81.4
Strong Wind	79.3
Landslide	46.9
Cold Wave	46.5
Drought	44.5
Ice Storm	33.3
Tornado	32.0
Hail	14.5

Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.

Disaster Declarations

Source: FEMA OpenFEMA

Total Declarations

Most Recent

Severe Storm

Jan 2021

Most Common Type

Flood

4 declarations

Date	Type	Declaration
Jan 12, 2021	Severe Storm	STRAIGHT-LINE WINDS
Apr 4, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
Sep 5, 2017	Fire	UINTAH FIRE
Aug 8, 2011	Flood	FLOODING
Sep 5, 2005	Coastal Storm	HURRICANE KATRINA EVACUATION
Jul 15, 2003	Fire	UT-CAUSEY FIRE 07/14/2003
Mar 13, 1986	Flood	HEAVY RAINS, SNOWMELT & FLOODING
Aug 17, 1984	Flood	SEVERE STORMS, MUDSLIDES, LANDSLIDES & FLOODING
Apr 30, 1983	Flood	SEVERE STORMS, LANDSLIDES & FLOODING
Jan 20, 1977	Drought	DROUGHT

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

Total Claims Paid

$300,354

Avg Claim Payout

$3,492

County-level NFIP data from FEMA National Flood Insurance Program.

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$2,151,374

Disasters with PA

Total Projects

Disaster	Type	Projects	Federal $
DR-4011	Flood	23	$1,366,993
DR-4578	Severe Storm(s)	19	$773,672
DR-4525	Biological	2	$10,709

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$3,831,895

Properties Protected

Avg Benefit-Cost Ratio

3.05

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic	4	$1,084,161
404.1: Localized Flood Control System to Protect Critical Facility	2	$615,249
91.3: Local Multihazard Mitigation Plan - UPDATE	2	$144,743
403.1: Stormwater Management - Culverts	2	$0
91.1: Local Multihazard Mitigation Plan	2	$449,855

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

Roy has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, lightning, wildfire. The area has had 11 federal disaster declarations. The most common disaster type is flood (4 declarations). 86 flood insurance claims have been filed in the area. FEMA has obligated $2,151,374 in public assistance recovery funding. 18 hazard mitigation projects have been funded to reduce future risk.