Natural Disasters in Allen, SD
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
5.9
Very Low
Expected Annual Loss
1.9
Score (0-100)
Social Vulnerability
93.8
Score (0-100)
Community Resilience
2.7
Score (0-100)
Top Hazard Risks
| Hazard | Risk Score |
|---|---|
| Wildfire | 87.1 |
| Winter Weather | 56.8 |
| Drought | 54.9 |
| Cold Wave | 42.6 |
| Hail | 40.7 |
| Ice Storm | 26.5 |
| Lightning | 25.1 |
| Strong Wind | 19.5 |
| Landslide | 19.2 |
| Tornado | 18.5 |
| Earthquake | 17.6 |
| Heat Wave | 15.6 |
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 OpenFEMATotal Declarations
14
Most Recent
Flood
Aug 2024
Most Common Type
Flood
4 declarations
| Date | Type | Declaration |
|---|---|---|
| Aug 15, 2024 | Flood | SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING |
| Feb 27, 2023 | Winter Storm | SEVERE WINTER STORMS AND SNOWSTORM |
| Apr 5, 2020 | Biological | COVID-19 PANDEMIC |
| Mar 13, 2020 | Biological | COVID-19 |
| Sep 23, 2019 | Flood | SEVERE STORMS AND FLOODING |
| Jun 7, 2019 | Flood | SEVERE WINTER STORM, SNOWSTORM, AND FLOODING |
| Jun 28, 2013 | Severe Storm | SEVERE STORMS, TORNADO, AND FLOODING |
| Dec 12, 2008 | Snowstorm | SEVERE WINTER STORM AND RECORD AND NEAR RECORD SNOW |
| May 22, 2008 | Snowstorm | SEVERE WINTER STORM AND RECORD AND NEAR RECORD SNOW |
| Jun 5, 2006 | 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 |
| Jun 17, 1976 | Drought | DROUGHT |
Individual Assistance
Source: FEMA Housing AssistanceTotal IA Registrations
74
Total IA Distributed
$28,491
Repair/Replace
$3,675
Rental Assistance
$4,584
| Disaster | Registrations | Total IA $ | Avg Damage |
|---|---|---|---|
| DR-4237 | 49 | $21,349 | $921 |
| DR-4440 | 25 | $7,142 | $638 |
Individual and household assistance for homeowners and renters affected by federally declared disasters.
Disaster Recovery Spending
Source: FEMA Public AssistanceTotal Federal Spending
$247,847
Disasters with PA
5
Total Projects
8
| Disaster | Type | Projects | Federal $ |
|---|---|---|---|
| DR-4440 | Other | 2 | $191,842 |
| DR-4689 | Winter Storm | 2 | $35,800 |
| DR-4807 | Flood | 2 | $13,484 |
| DR-4463 | Flood | 1 | $4,789 |
| DR-1811 | Snow | 1 | $1,932 |
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
6
Federal Funding
$85,562
Avg Benefit-Cost Ratio
0.00
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 601.1: Generators | 3 | $61,187 |
| 91.5: Local Multijurisdictional Multihazard Mitigation Plan - UPDATE | 2 | $15,000 |
| 91.1: Local Multihazard Mitigation Plan | 1 | $9,375 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Allen 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 14 federal disaster declarations. The most common disaster type is flood (4 declarations). FEMA has obligated $247,847 in public assistance recovery funding. $28,491 has been distributed in individual assistance to disaster-affected residents. 6 hazard mitigation projects have been funded to reduce future risk.