City vs city
Chesterfield vs Ellisville, MO
Chesterfield currently scores 5 points higher overall than Ellisville, 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
Chesterfield: 50/100 · Ellisville: 45/100
Chesterfield is 5 points higher.
Flood
Chesterfield: 54/100 · Ellisville: 40/100
Chesterfield is 14 points higher.
Chesterfield: FEMA NFHL flood zones: 7 features intersect this tile.
Ellisville: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Chesterfield: 16/100 · Ellisville: 16/100
No gap.
Chesterfield: Wind exposure derived from ingested design wind / climatology tiles.
Ellisville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chesterfield: 43/100 · Ellisville: 44/100
Ellisville is 1 points higher.
Chesterfield: Lightning exposure derived from ingested climatology tiles.
Ellisville: Lightning exposure derived from ingested climatology tiles.
Tornado
Chesterfield: 69/100 · Ellisville: 54/100
Chesterfield is 15 points higher.
Chesterfield: Tornado risk derived from NOAA SPC historical reports.
Ellisville: Tornado risk derived from NOAA SPC historical reports.
Hail
Chesterfield: 100/100 · Ellisville: 100/100
No gap.
Chesterfield: Hail risk derived from NOAA SPC historical reports.
Ellisville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chesterfield: Unavailable · Ellisville: Unavailable
A score difference cannot be calculated without both sources.
Chesterfield: Storm surge model is not available for this location yet.
Ellisville: Storm surge model is not available for this location yet.
Wildfire
Chesterfield: 41/100 · Ellisville: 39/100
Chesterfield is 2 points higher.
Chesterfield: Wildfire exposure derived from ingested fire potential tiles.
Ellisville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Chesterfield: 27/100 · Ellisville: 25/100
Chesterfield is 2 points higher.
Chesterfield: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Ellisville: Air quality signal derived from the latest EPA AirNow combined AQI grid.