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Know Your Ground

County Data

St. Francis County, Arkansas

Self-reliance and preparedness data for St. Francis County

Relatively Moderate

Hazard Risk (14.7/100)

8a

USDA Zone

254

Frost-Free Days

Moderate

Solar (4.5 kWh/m²/day)

Natural Hazard Risks in St. Francis County

HazardRisk RatingScore
TornadoRelatively High33.8
Heat WaveRelatively High18.6
DroughtRelatively Moderate17.0
Strong WindRelatively Moderate15.2
LightningRelatively Low12.4

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

Climate Profile

Temperature & Growing Season

January Avg43°F
July Avg82°F
USDA Zone8a
Frost-Free Days254

Water & Energy

Annual Precipitation54.1
Solar Potential4.5 kWh/m²/day
Wind Speed2.7 m/s
Soil TypeSilt Loam

Local Species

62

Edible species

27

Medicinal species

79

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in St. Francis County, Arkansas?
St. Francis County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Tornado, Heat Wave, Drought. Each hazard is scored 0–100 by likelihood and expected impact.
What is the growing season in St. Francis County?
St. Francis County is in USDA Hardiness Zone 8a with approximately 254 frost-free days per year. This determines which crops, fruit trees, and perennials can survive your winters and how long your outdoor growing season lasts.
Is St. Francis County good for solar power?
St. Francis 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 St. Francis County?
Our database identifies 62 edible plant species in St. Francis 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 St. Francis County?
St. Francis County has an autonomy score of 79. 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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