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Know Your Ground

County Data

Roanoke County, Virginia

Self-reliance and preparedness data for Roanoke County

Relatively Low

Hazard Risk (10.2/100)

Moderate

Solar (4.2 kWh/m²/day)

Natural Hazard Risks in Roanoke County

HazardRisk RatingScore
Cold WaveRelatively Moderate23.4
Strong WindRelatively High23.1
Winter WeatherRelatively Moderate22.3
LandslideRelatively Moderate20.5
LightningRelatively Moderate16.6

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

Climate Profile

Temperature & Growing Season

January Avg31°F

Water & Energy

Annual Precipitation6.1
Solar Potential4.2 kWh/m²/day
Wind Speed0.1 m/s
Soil TypeSilt Loam

Local Species

81

Edible species

35

Medicinal species

50

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Roanoke County, Virginia?
Roanoke County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Cold Wave, Strong Wind, Winter Weather. Each hazard is scored 0–100 by likelihood and expected impact.
Is Roanoke County good for solar power?
Roanoke 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 Roanoke County?
Our database identifies 81 edible plant species in Roanoke 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 Roanoke County?
Roanoke County has an autonomy score of 50. 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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