Natural Disasters in Norwalk, IA
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
36.1
Very Low
Expected Annual Loss
58.2
Score (0-100)
Social Vulnerability
10.6
Score (0-100)
Community Resilience
91.3
Score (0-100)
Top Hazard Risks
| Hazard | Risk Score |
|---|---|
| Drought | 91.7 |
| Landslide | 72.4 |
| Tornado | 65.9 |
| Heat Wave | 65.5 |
| Lightning | 60.5 |
| Wildfire | 59.4 |
| Strong Wind | 55.0 |
| Ice Storm | 51.3 |
| Hail | 49.2 |
| Cold Wave | 47.6 |
| Winter Weather | 25.7 |
| Earthquake | 20.5 |
| Hurricane | 7.6 |
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
20
Most Recent
Severe Storm
May 2024
Most Common Type
Flood
8 declarations
| Date | Type | Declaration |
|---|---|---|
| May 24, 2024 | Severe Storm | SEVERE STORMS, TORNADOES, AND FLOODING |
| May 14, 2024 | Tornado | SEVERE STORMS AND TORNADOES |
| Aug 17, 2020 | Severe Storm | SEVERE STORMS |
| Mar 23, 2020 | Biological | COVID-19 PANDEMIC |
| Mar 13, 2020 | Biological | COVID-19 |
| Mar 23, 2019 | Flood | SEVERE STORMS AND FLOODING |
| Aug 20, 2018 | Severe Storm | SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING |
| Jul 29, 2010 | Severe Storm | SEVERE STORMS, FLOODING, AND TORNADOES |
| May 27, 2008 | Severe Storm | SEVERE STORMS, TORNADOES, AND FLOODING |
| Mar 14, 2007 | Severe Storm | SEVERE WINTER STORMS |
| Sep 10, 2005 | Hurricane | HURRICANE KATRINA EVACUATION |
| May 25, 2004 | Severe Storm | SEVERE STORMS, TORNADOES, AND FLOODING |
| Jul 2, 1998 | Flood | SEVERE STORMS, TORNADOES AND FLOODING |
| Nov 20, 1997 | Snowstorm | SEVERE SNOWSTORMS |
| Jul 9, 1993 | Flood | SEVERE STORMS & FLOODING |
| May 26, 1990 | Flood | SEVERE STORMS & FLOODING |
| Jun 24, 1974 | Flood | SEVERE STORMS & FLOODING |
| Aug 14, 1969 | Flood | HEAVY RAINS & FLOODING |
| Apr 25, 1969 | Flood | FLOODING |
| Apr 22, 1965 | Flood | FLOODING |
Flood Insurance (NFIP)
Source: FEMA NFIPTotal Claims
1,524
Total Claims Paid
$36,845,931
Avg Claim Payout
$24,177
County-level NFIP data from FEMA National Flood Insurance Program.
Disaster Recovery Spending
Source: FEMA Public AssistanceTotal Federal Spending
$125,511,977
Disasters with PA
8
Total Projects
590
| Disaster | Type | Projects | Federal $ |
|---|---|---|---|
| DR-4483 | Biological | 161 | $100,286,066 |
| DR-1763 | Severe Storm(s) | 264 | $10,774,870 |
| DR-4557 | Severe Storm(s) | 47 | $7,081,023 |
| DR-4386 | Severe Storm(s) | 79 | $3,841,883 |
| DR-4784 | Tornado | 18 | $2,099,213 |
| DR-4421 | Severe Storm(s) | 15 | $1,385,203 |
| DR-3239 | Hurricane | 5 | $36,110 |
| DR-1930 | Severe Storm(s) | 1 | $7,609 |
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
8
Federal Funding
$484,475
Avg Benefit-Cost Ratio
0.00
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 91.1: Local Multihazard Mitigation Plan | 7 | $396,741 |
| 600.1: Warning Systems (as a Component of a Planned, Adopted, and Exercised Risk Reduction Plan) | 1 | $87,734 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Norwalk has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are drought, landslide, tornado. The area has had 20 federal disaster declarations. The most common disaster type is flood (8 declarations). 1,524 flood insurance claims have been filed in the area. FEMA has obligated $125,511,977 in public assistance recovery funding. 8 hazard mitigation projects have been funded to reduce future risk.