County Data
Johnston County, North Carolina
Self-reliance and preparedness data for Johnston County
Relatively Moderate
Hazard Risk (15.1/100)
Moderate
Solar (4.5 kWh/m²/day)
Natural Hazard Risks in Johnston County
| Hazard | Risk Rating | Score |
|---|---|---|
| Tornado | Relatively Moderate | 24.6 |
| Winter Weather | Relatively Moderate | 21.4 |
| Drought | Relatively Moderate | 20.7 |
| Hurricane | Relatively Moderate | 18.2 |
| Lightning | Relatively Low | 14.1 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 38°F |
Water & Energy
| Annual Precipitation | 3.4″ |
| Solar Potential | 4.5 kWh/m²/day |
| Wind Speed | 2.5 m/s |
| Soil Type | Sandy Clay Loam |
Local Species
62
Edible species
27
Medicinal species
52
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Johnston County, North Carolina?
- Johnston County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Tornado, Winter Weather, Drought. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Johnston County good for solar power?
- Johnston County has a moderate 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 Johnston County?
- Our database identifies 62 edible plant species in Johnston 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 Johnston County?
- Johnston County has an autonomy score of 52. 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.