Natural Disasters in North Sioux City, SD

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

37.1

Very Low

Expected Annual Loss

53.7

Score (0-100)

Social Vulnerability

10.6

Score (0-100)

Community Resilience

48.3

Score (0-100)

Top Hazard Risks

Wildfire77.6Winter Weather77.5Drought74.6

Hazard	Risk Score
Wildfire	77.6
Winter Weather	77.5
Drought	74.6
Hail	73.5
Tornado	69.2
Ice Storm	67.7
Landslide	35.8
Cold Wave	34.8
Heat Wave	33.8
Lightning	32.1
Strong Wind	26.0
Earthquake	16.6

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

9 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
Sep 23, 2019	Flood	SEVERE STORMS AND FLOODING
Jun 7, 2019	Flood	SEVERE WINTER STORM, SNOWSTORM, AND FLOODING
Jul 28, 2014	Flood	SEVERE STORMS, TORNADOES, AND FLOODING
Jun 28, 2013	Severe Storm	SEVERE STORMS, TORNADO, AND FLOODING
May 13, 2011	Flood	FLOODING
Nov 2, 2010	Severe Storm	SEVERE STORMS AND FLOODING
Sep 23, 2010	Severe Storm	SEVERE STORMS AND FLOODING
May 13, 2010	Flood	FLOODING
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
Jul 19, 1993	Severe Storm	SEVERE STORMS, TORNADOES & FLOODING
Jul 19, 1984	Flood	SEVERE STORMS & FLOODING
Jun 17, 1976	Drought	DROUGHT
Apr 18, 1969	Flood	FLOODING

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

443

Total Claims Paid

$7,559,314

Avg Claim Payout

$17,064

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

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$27,869,328

Disasters with PA

Total Projects

277

Disaster	Type	Projects	Federal $
DR-1984	Flood	92	$12,925,991
DR-4807	Flood	48	$10,517,111
DR-4440	Other	32	$1,684,103
DR-4186	Flood	27	$1,510,980
DR-4469	Severe Storm(s)	2	$337,801
DR-4125	Severe Storm(s)	21	$214,641
DR-1915	Flood	15	$206,036
DR-1938	Severe Storm(s)	23	$164,214
DR-1947	Severe Storm(s)	15	$162,172
DR-4463	Flood	2	$146,277

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$1,152,337

Properties Protected

Avg Benefit-Cost Ratio

0.86

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
91.1: Local Multihazard Mitigation Plan	2	$41,259
91.5: Local Multijurisdictional Multihazard Mitigation Plan - UPDATE	2	$31,959
601.2: Generators - Regular	1	$339,265
206.2: Safe Room (Tornado and Severe Wind Shelter) - Public Structures	1	$739,854
600.1: Warning Systems (as a Component of a Planned, Adopted, and Exercised Risk Reduction Plan)	1	$0

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

North Sioux City has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are wildfire, winter weather, drought. The area has had 19 federal disaster declarations. The most common disaster type is flood (9 declarations). 443 flood insurance claims have been filed in the area. FEMA has obligated $27,869,328 in public assistance recovery funding. 7 hazard mitigation projects have been funded to reduce future risk.