County Data
Philadelphia County, Pennsylvania
Self-reliance and preparedness data for Philadelphia County
Very High
Hazard Risk (41.1/100)
Moderate
Solar (4.1 kWh/m²/day)
Natural Hazard Risks in Philadelphia County
| Hazard | Risk Rating | Score |
|---|---|---|
| Heat Wave | Very High | 89.8 |
| Winter Weather | Very High | 75.2 |
| Lightning | Very High | 70.7 |
| Tornado | Very High | 62.8 |
| Coastal Flooding | Relatively High | 51.5 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 28°F |
Water & Energy
| Annual Precipitation | 8.1″ |
| Solar Potential | 4.1 kWh/m²/day |
| Wind Speed | 1.9 m/s |
| Soil Type | Silt Loam |
Local Species
72
Edible species
34
Medicinal species
43
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Philadelphia County, Pennsylvania?
- Philadelphia County has an overall hazard rating of Very High based on FEMA National Risk Index data. The top threats are Heat Wave, Winter Weather, Lightning. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Philadelphia County good for solar power?
- Philadelphia 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 Philadelphia County?
- Our database identifies 72 edible plant species in Philadelphia 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 Philadelphia County?
- Philadelphia County has an autonomy score of 43. 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.