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Know Your Ground

County Data

Union County, New Jersey

Self-reliance and preparedness data for Union County

Relatively Moderate

Hazard Risk (17.0/100)

Moderate

Solar (3.9 kWh/m²/day)

Natural Hazard Risks in Union County

HazardRisk RatingScore
Winter WeatherRelatively High29.6
Strong WindRelatively High29.4
TornadoRelatively Moderate23.6
Riverine FloodingRelatively High20.7
Coastal FloodingRelatively Moderate20.6

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

Climate Profile

Temperature & Growing Season

January Avg27°F

Water & Energy

Annual Precipitation8.4
Solar Potential3.9 kWh/m²/day
Wind Speed1.4 m/s
Soil TypeSandy Loam

Local Species

72

Edible species

34

Medicinal species

48

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Union County, New Jersey?
Union County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Winter Weather, Strong Wind, Tornado. Each hazard is scored 0–100 by likelihood and expected impact.
Is Union County good for solar power?
Union 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 Union County?
Our database identifies 72 edible plant species in Union 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 Union County?
Union County has an autonomy score of 48. 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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