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Know Your Ground

County Data

Decatur County, Tennessee

Self-reliance and preparedness data for Decatur County

Relatively Low

Hazard Risk (10.1/100)

Moderate

Solar (4.4 kWh/m²/day)

Natural Hazard Risks in Decatur County

HazardRisk RatingScore
TornadoRelatively Moderate23.5
LandslideRelatively Moderate18.2
Strong WindRelatively Low14.0
Heat WaveRelatively Moderate12.4
LightningRelatively Low11.4

Source: FEMA National Risk Index. Scores 0–100, higher = more risk.

Climate Profile

Temperature & Growing Season

January Avg33°F

Water & Energy

Annual Precipitation6.8
Solar Potential4.4 kWh/m²/day
Wind Speed0.2 m/s
Soil TypeSilt 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 Decatur County, Tennessee?
Decatur County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Tornado, Landslide, Strong Wind. Each hazard is scored 0–100 by likelihood and expected impact.
Is Decatur County good for solar power?
Decatur 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 Decatur County?
Our database identifies 62 edible plant species in Decatur 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 Decatur County?
Decatur 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.

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