Natural Disasters in Port Royal, SC
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
97.1
Relatively High
Expected Annual Loss
96.8
Score (0-100)
Social Vulnerability
44.6
Score (0-100)
Community Resilience
66.7
Score (0-100)
Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.
Disaster History & Federal Spending
Source: FEMATotal Declarations
23
Public Assistance
$79.7M
Individual Assistance
$10.1M
Most Common Type
Hurricane
14 declarations
Public Assistance by Category
| Disaster | Type | Date | PA $ | IA $ |
|---|---|---|---|---|
| Severe Winter Storm → | Winter Storm | Jan 2026 | — | — |
| Tropical Storm Debby → | Tropical Storm | Sep 2024 | $240K | — |
| Hurricane Helene → | Hurricane | Sep 2024 | $277K | $6.5M |
| Hurricane Debby → | Tropical Storm | Aug 2024 | — | — |
| Hurricane Idalia → | Hurricane | Aug 2023 | $133K | — |
| Hurricane Ian → | Hurricane | Nov 2022 | $94K | — |
| Hurricane Ian → | Hurricane | Sep 2022 | — | — |
| Covid-19 Pandemic → | Biological | Mar 2020 | $255K | $1.3M |
| Covid-19 → | Biological | Mar 2020 | — | — |
| Hurricane Dorian → | Hurricane | Sep 2019 | $2.9M | — |
| Hurricane Dorian → | Hurricane | Sep 2019 | — | — |
| Hurricane Florence → | Hurricane | Sep 2018 | — | — |
| Hurricane Irma → | Hurricane | Oct 2017 | $4.0M | — |
| Hurricane Irma → | Hurricane | Sep 2017 | — | — |
| Hurricane Matthew → | Hurricane | Oct 2016 | $70.2M | $2.4M |
| Hurricane Matthew → | Hurricane | Oct 2016 | — | — |
| Severe Storms and Flooding → | Flood | Oct 2015 | $828K | — |
| Severe Storms and Flooding → | Severe Storm | Oct 2015 | — | — |
| Severe Winter Storm → | Severe Ice Storm | Feb 2014 | — | — |
| Hurricane Katrina Evacuation → | Hurricane | Sep 2005 | — | — |
Showing 20 of 26 disasters
PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).
Flood Insurance (NFIP)
Source: FEMA NFIPTotal Claims
4,965
Total Claims Paid
$80,730,238
Avg Claim Payout
$16,260
County-level NFIP data from FEMA National Flood Insurance Program.
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
23
Federal Funding
$1,331,883
Properties Protected
8
Avg Benefit-Cost Ratio
1.73
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 601.1: Generators | 4 | $0 |
| 205.8: Retrofitting Public Structures - Wind | 3 | $182,994 |
| 600.1: Warning Systems (as a Component of a Planned, Adopted, and Exercised Risk Reduction Plan) | 3 | $131,235 |
| 601.2: Generators - Regular | 3 | $20,239 |
| 403.4: Stormwater Management - Detention/Retention Basins | 2 | $528,840 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Port Royal has a relatively high overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are hurricane, lightning, coastal flood. The area has had 23 federal disaster declarations. The most common disaster type is hurricane (14 declarations). 4,965 flood insurance claims have been filed in the area. FEMA has obligated $79,683,208 in public assistance recovery funding. $10,105,350 has been distributed in individual assistance to disaster-affected residents. 23 hazard mitigation projects have been funded to reduce future risk.