County Data
Barnwell County, South Carolina
Self-reliance and preparedness data for Barnwell County
Relatively Low
Hazard Risk (11.6/100)
Good
Solar (4.6 kWh/m²/day)
Natural Hazard Risks in Barnwell County
| Hazard | Risk Rating | Score |
|---|---|---|
| Tornado | Relatively Moderate | 23.8 |
| Ice Storm | Relatively Moderate | 20.9 |
| Drought | Relatively Moderate | 18.3 |
| Winter Weather | Relatively Low | 15.0 |
| Strong Wind | Relatively Moderate | 14.7 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 43°F |
Water & Energy
| Annual Precipitation | 6.2″ |
| Solar Potential | 4.6 kWh/m²/day |
| Wind Speed | 2.2 m/s |
| Soil Type | Sandy Loam |
Local Species
62
Edible species
27
Medicinal species
53
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Barnwell County, South Carolina?
- Barnwell County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Tornado, Ice Storm, Drought. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Barnwell County good for solar power?
- Barnwell County has a good solar rating. Solar potential is based on average daily irradiance (kWh/m²/day), which determines how much energy rooftop or ground-mounted panels can produce year-round.
- How many edible plants grow in Barnwell County?
- Our database identifies 62 edible plant species in Barnwell County based on regional flora data, USDA hardiness zone, and iNaturalist observations. The full field guide includes identification notes, preparation methods, and seasonal availability.
- What is the autonomy score for Barnwell County?
- Barnwell County has an autonomy score of 53. This composite score measures local self-reliance potential across water access, food production capacity, energy resources, and supply chain resilience. Higher scores indicate greater potential for self-sufficiency.