Natural Disasters in Mount Vernon, SD

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

39.2

Very Low

Expected Annual Loss

46.0

Score (0-100)

Social Vulnerability

29.1

Score (0-100)

Community Resilience

81.7

Score (0-100)

Top Hazard Risks

Winter Weather87.5Ice Storm80.4Tornado75.5

Hazard	Risk Score
Winter Weather	87.5
Ice Storm	80.4
Tornado	75.5
Wildfire	68.4
Cold Wave	67.1
Drought	66.6
Hail	66.2
Strong Wind	64.6
Lightning	28.5
Earthquake	28.4
Landslide	27.2
Heat Wave	25.5

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

Flood

Aug 2024

Most Common Type

Flood

5 declarations

Date	Type	Declaration
Aug 15, 2024	Flood	SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Apr 5, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
Nov 18, 2019	Severe Storm	SEVERE STORMS, TORNADOES, AND FLOODING
Jun 7, 2019	Flood	SEVERE WINTER STORM, SNOWSTORM, AND FLOODING
May 22, 2007	Severe Storm	SEVERE STORMS, TORNADOES, AND FLOODING
Dec 20, 2005	Severe Storm	SEVERE WINTER STORM
Sep 10, 2005	Coastal Storm	HURRICANE KATRINA EVACUATION
Apr 7, 1997	Flood	SEVERE FLOODING, SEVER WINTER STORMS,HEAVY RAINS HIGH WINDS
Jan 10, 1997	Severe Storm	SEVERE WINTER STORMS AND BLIZZARD CONDITIONS
Jan 5, 1996	Snowstorm	SEVERE WINTER STORM
May 26, 1995	Flood	FLOODING
Jul 19, 1993	Severe Storm	SEVERE STORMS, TORNADOES & FLOODING
Jul 19, 1984	Flood	SEVERE STORMS & FLOODING
Jun 17, 1976	Drought	DROUGHT

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

Total Claims Paid

$2,025,913

Avg Claim Payout

$67,530

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

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$12,963,525

Disasters with PA

Total Projects

137

Disaster	Type	Projects	Federal $
DR-1620	Severe Storm(s)	19	$7,008,451
DR-1887	Severe Storm(s)	27	$1,896,527
DR-4469	Severe Storm(s)	22	$1,289,170
DR-4807	Flood	30	$1,047,731
DR-4440	Other	23	$710,831
DR-4527	Biological	5	$545,640
DR-1375	Flood	1	$174,554
DR-4233	Severe Storm(s)	1	$103,176
DR-1915	Flood	3	$55,700
DR-1702	Severe Storm(s)	3	$49,932
DR-4186	Flood	1	$35,535
DR-1886	Severe Storm(s)	1	$24,714
DR-1938	Severe Storm(s)	1	$21,563

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$1,653,437

Properties Protected

Avg Benefit-Cost Ratio

2.28

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
904.1: Advanced Assistance	3	$153,600
400.1: Utility Protective Measures (Electric, Gas, etc.)	2	$251,729
91.1: Local Multihazard Mitigation Plan	2	$15,000
200.1: Acquisition of Private Real Property (Structures and Land) - Riverine	2	$37,200
403.2: Stormwater Management - Diversions	1	$50,625

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

Mount Vernon has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are winter weather, ice storm, tornado. The area has had 15 federal disaster declarations. The most common disaster type is flood (5 declarations). 30 flood insurance claims have been filed in the area. FEMA has obligated $12,963,525 in public assistance recovery funding. 14 hazard mitigation projects have been funded to reduce future risk.