Natural Disasters in Yemassee, SC

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

64.8

Relatively Low

Expected Annual Loss

50.9

Score (0-100)

Social Vulnerability

94.6

Score (0-100)

Community Resilience

27.4

Score (0-100)

Top Hazard Risks

Hurricane93.0Earthquake82.9Heat Wave75.6

Hazard	Risk Score
Hurricane	93.0
Earthquake	82.9
Heat Wave	75.6
Wildfire	71.4
Strong Wind	68.1
Drought	67.5
Ice Storm	65.5
Tornado	42.9
Lightning	39.9
Cold Wave	33.8
Hail	33.4
Coastal Flood	24.2
Winter Weather	14.0
Landslide	8.8

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

Winter Storm

Jan 2026

Most Common Type

Hurricane

14 declarations

Date	Type	Declaration
Jan 23, 2026	Winter Storm	SEVERE WINTER STORM
Sep 29, 2024	Tropical Storm	TROPICAL STORM DEBBY
Sep 29, 2024	Hurricane	HURRICANE HELENE
Aug 5, 2024	Tropical Storm	HURRICANE DEBBY
Aug 31, 2023	Hurricane	HURRICANE IDALIA
Nov 21, 2022	Hurricane	HURRICANE IAN
Sep 29, 2022	Hurricane	HURRICANE IAN
Mar 27, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
Sep 30, 2019	Hurricane	HURRICANE DORIAN
Sep 1, 2019	Hurricane	HURRICANE DORIAN
Sep 10, 2018	Hurricane	HURRICANE FLORENCE
Oct 16, 2017	Hurricane	HURRICANE IRMA
Sep 7, 2017	Hurricane	HURRICANE IRMA
Oct 11, 2016	Hurricane	HURRICANE MATTHEW
Oct 6, 2016	Hurricane	HURRICANE MATTHEW
Oct 5, 2015	Flood	SEVERE STORMS AND FLOODING
Oct 3, 2015	Severe Storm	SEVERE STORMS AND FLOODING
Feb 12, 2014	Severe Ice Storm	SEVERE WINTER STORM
Sep 10, 2005	Hurricane	HURRICANE KATRINA EVACUATION

Showing 20 of 23 declarations

Individual Assistance

Source: FEMA Housing Assistance

Total IA Registrations

1,205

Total IA Distributed

$1,411,471

Repair/Replace

$684,970

Rental Assistance

$328,434

Disaster	Registrations	Total IA $	Avg Damage
DR-4829	627	$947,105	$2,867
DR-4241	148	$169,828	$1,021
DR-4286	384	$166,581	$389
DR-4542	42	$100,957	$2,110
DR-4492	4	$27,000	—

Individual and household assistance for homeowners and renters affected by federally declared disasters.

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

4,965

Total Claims Paid

$80,730,238

Avg Claim Payout

$16,260

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

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$79,683,208

Disasters with PA

Total Projects

221

Disaster	Type	Projects	Federal $
DR-4286	Hurricane	88	$70,154,134
DR-4346	Other	39	$3,973,489
DR-4464	Hurricane	17	$2,920,786
DR-4241	Flood	2	$827,774
DR-1299	Hurricane	26	$807,406
DR-4829	Hurricane	14	$277,396
DR-4492	Biological	12	$254,979
DR-4835	Tropical Storm	12	$239,997
DR-3597	Hurricane	4	$132,997
DR-4677	Hurricane	7	$94,249

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$210,572

Properties Protected

Avg Benefit-Cost Ratio

4.23

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
205.8: Retrofitting Public Structures - Wind	3	$37,260
91.1: Local Multihazard Mitigation Plan	2	$32,565
601.2: Generators - Regular	2	$53,225
601.1: Generators	1	$87,523

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

Yemassee has a relatively low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are hurricane, earthquake, heat wave. 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. $1,411,471 has been distributed in individual assistance to disaster-affected residents. 8 hazard mitigation projects have been funded to reduce future risk.