County Data
Manassas County, Virginia
Self-reliance and preparedness data for Manassas County
Very Low
Hazard Risk (5.6/100)
Moderate
Solar (4.1 kWh/m²/day)
Natural Hazard Risks in Manassas County
| Hazard | Risk Rating | Score |
|---|---|---|
| Strong Wind | Relatively Low | 12.9 |
| Lightning | Relatively Low | 11.2 |
| Tornado | Relatively Low | 10.9 |
| Cold Wave | Relatively Low | 8.9 |
| Hail | Relatively Low | 8.9 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 30°F |
Water & Energy
| Annual Precipitation | 5.6″ |
| Solar Potential | 4.1 kWh/m²/day |
| Wind Speed | 0.8 m/s |
| Soil Type | Silt Loam |
Local Species
81
Edible species
35
Medicinal species
51
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Manassas County, Virginia?
- Manassas County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Strong Wind, Lightning, Tornado. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Manassas County good for solar power?
- Manassas 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 Manassas County?
- Our database identifies 81 edible plant species in Manassas 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 Manassas County?
- Manassas County has an autonomy score of 51. 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.