City vs city
Jacksonville vs Petersburg, IL
Jacksonville currently scores 8 points higher overall than Petersburg, with the largest gap in tornado.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Jacksonville: 49/100 · Petersburg: 41/100
Jacksonville is 8 points higher.
Flood
Jacksonville: 48/100 · Petersburg: 54/100
Petersburg is 6 points higher.
Jacksonville: FEMA NFHL flood zones: 8 features intersect this tile.
Petersburg: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Jacksonville: 16/100 · Petersburg: 16/100
No gap.
Jacksonville: Wind exposure derived from ingested design wind / climatology tiles.
Petersburg: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Jacksonville: 55/100 · Petersburg: 61/100
Petersburg is 6 points higher.
Jacksonville: Lightning exposure derived from ingested climatology tiles.
Petersburg: Lightning exposure derived from ingested climatology tiles.
Tornado
Jacksonville: 65/100 · Petersburg: 4/100
Jacksonville is 61 points higher.
Jacksonville: Tornado risk derived from NOAA SPC historical reports.
Petersburg: Tornado risk derived from NOAA SPC historical reports.
Hail
Jacksonville: 100/100 · Petersburg: 91/100
Jacksonville is 9 points higher.
Jacksonville: Hail risk derived from NOAA SPC historical reports.
Petersburg: Hail risk derived from NOAA SPC historical reports.
Storm surge
Jacksonville: Unavailable · Petersburg: Unavailable
A score difference cannot be calculated without both sources.
Jacksonville: Storm surge model is not available for this location yet.
Petersburg: Storm surge model is not available for this location yet.
Wildfire
Jacksonville: 27/100 · Petersburg: 30/100
Petersburg is 3 points higher.
Jacksonville: Wildfire exposure derived from ingested fire potential tiles.
Petersburg: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Jacksonville: 29/100 · Petersburg: 28/100
Jacksonville is 1 points higher.
Jacksonville: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Petersburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.