County Data
Grainger County, Tennessee
Self-reliance and preparedness data for Grainger County
Very Low
Hazard Risk (5.5/100)
Moderate
Solar (4.2 kWh/m²/day)
Natural Hazard Risks in Grainger County
| Hazard | Risk Rating | Score |
|---|---|---|
| Landslide | Relatively Low | 12.3 |
| Tornado | Relatively Low | 10.9 |
| Strong Wind | Relatively Low | 10.8 |
| Lightning | Relatively Low | 10.0 |
| Winter Weather | Relatively Low | 9.8 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 32°F |
Water & Energy
| Annual Precipitation | 7.3″ |
| Solar Potential | 4.2 kWh/m²/day |
| Wind Speed | 0.3 m/s |
| Soil Type | Silt 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 Grainger County, Tennessee?
- Grainger County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Landslide, Tornado, Strong Wind. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Grainger County good for solar power?
- Grainger 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 Grainger County?
- Our database identifies 62 edible plant species in Grainger 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 Grainger County?
- Grainger 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.