🌍 ClimateRiskCheck

Natural Disaster Risk in Swansea

South Carolina

7.8out of 10
High Risk

Risk Summary for Swansea

Swansea scores 7.8/10 (High risk), above the U.S. average of 4.5. The leading hazard is Tornado.

Top Hazards

Tornado Ice Storm Hurricane

All 18 Hazard Scores

Tornado
9.8
Ice Storm
9.7
Hurricane
9.5
Strong Wind
9.4
Earthquake
9.3
Extreme Heat
9.3
Lightning
9.3
Hail
8.3
Cold Wave
8.1
Winter Weather
7.9
Landslide
7.9
Wildfire
7.8
Drought
6.8
Tsunami
5.4
Volcanic Activity
5.1
Coastal Flooding
4.9
Avalanche
4.5
Riverine Flooding
1.0

How it compares

Swansea
7.8
South Carolina avg.
6.6
US national avg.
4.5

Live Conditions

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🏠 What this means for insurance

Above-average risk β€” check your policy limits

Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).

This is general information only. Consult a licensed insurance professional for advice specific to your property.

Natural Hazard Profile: Swansea, South Carolina

Swansea, in Lexington County, is a town of roughly 7,419 residents situated near the Atlantic Coast of the southeastern United States. Its humid subtropical climate brings hot, humid summers and mild winters, and in particular an active hurricane season with direct storm threat to the coastline. These conditions collectively define the natural hazard environment that Swansea residents and property owners must navigate.

According to FEMA's National Risk Index, Swansea carries an overall risk score of 7.8/10, placing it in the high category. Tornado activity is the top natural hazard risk, with the region lying in a corridor where warm, moist air frequently clashes with dry, cool air masses to spawn severe supercell thunderstorms. The area also faces notable exposure to ice storm and hurricane.

Within South Carolina, Swansea's risk is, slightly above the 6.6/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Lexington County identifies tornado as the foremost hazard, followed by ice storm and hurricane. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Swansea residents benefit from taking preparedness seriously. Reviewing insurance coverage for tornado and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.

What this means for Swansea: Tornado preparedness

  • Review whether your insurance covers wind and debris damage, and document belongings in advance.
  • Identify the safest interior room on the lowest floor β€” away from windows β€” as your shelter.
  • Enable Wireless Emergency Alerts on your phone and have a NOAA weather radio as a backup.

Local Factors for Swansea

These city-level factors differentiate Swansea from other communities in Lexington County and provide geographic context for its hazard exposure.

Population

7,419

Small Town

Geographic Zone

SE Atlantic Coast

Hurricane & coastal flood risk

Climate Band

Mild Temperate

Latitude 33.7Β°

Flood Terrain

Minimal β€” county topography limits flood risk

Flood score: 1.0/10

Wildfire Exposure

Moderate β€” seasonal fire risk

Fire score: 7.8/10

Coordinates

33.7436Β° N, 81.0419Β° W

Lexington County

Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.

Recent Climate Data for Swansea

Last 12 months Β· Source: Open-Meteo archive

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ZIP Codes in Swansea

Other cities in South Carolina

Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.