City vs city
Greenfield vs West Allis, WI
Greenfield and West Allis are tied on overall score, with the biggest factor difference in lightning.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Greenfield: 33/100 · West Allis: 33/100
No gap.
Flood
Greenfield: 42/100 · West Allis: 38/100
Greenfield is 4 points higher.
Greenfield: FEMA NFHL flood zones: 9 features intersect this tile.
West Allis: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Greenfield: 15/100 · West Allis: 15/100
No gap.
Greenfield: Wind exposure derived from ingested design wind / climatology tiles.
West Allis: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Greenfield: 52/100 · West Allis: 45/100
Greenfield is 7 points higher.
Greenfield: Lightning exposure derived from ingested climatology tiles.
West Allis: Lightning exposure derived from ingested climatology tiles.
Tornado
Greenfield: 8/100 · West Allis: 12/100
West Allis is 4 points higher.
Greenfield: Tornado risk derived from NOAA SPC historical reports.
West Allis: Tornado risk derived from NOAA SPC historical reports.
Hail
Greenfield: 53/100 · West Allis: 60/100
West Allis is 7 points higher.
Greenfield: Hail risk derived from NOAA SPC historical reports.
West Allis: Hail risk derived from NOAA SPC historical reports.
Storm surge
Greenfield: Unavailable · West Allis: Unavailable
A score difference cannot be calculated without both sources.
Greenfield: Storm surge model is not available for this location yet.
West Allis: Storm surge model is not available for this location yet.
Wildfire
Greenfield: 45/100 · West Allis: 44/100
Greenfield is 1 points higher.
Greenfield: Wildfire exposure derived from ingested fire potential tiles.
West Allis: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Greenfield: 19/100 · West Allis: 20/100
West Allis is 1 points higher.
Greenfield: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
West Allis: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.