City vs city
Harviell vs St. Louis, MO
Harviell currently scores 12 points higher overall than St. Louis, with the largest gap in flood.
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
Harviell: 50/100 · St. Louis: 38/100
Harviell is 12 points higher.
Flood
Harviell: 100/100 · St. Louis: 32/100
Harviell is 68 points higher.
Harviell: FEMA NFHL flood zones: 11 features intersect this tile.
St. Louis: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Harviell: 15/100 · St. Louis: 16/100
St. Louis is 1 points higher.
Harviell: Wind exposure derived from ingested design wind / climatology tiles.
St. Louis: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Harviell: 77/100 · St. Louis: 39/100
Harviell is 38 points higher.
Harviell: Lightning exposure derived from ingested climatology tiles.
St. Louis: Lightning exposure derived from ingested climatology tiles.
Tornado
Harviell: 54/100 · St. Louis: 15/100
Harviell is 39 points higher.
Harviell: Tornado risk derived from NOAA SPC historical reports.
St. Louis: Tornado risk derived from NOAA SPC historical reports.
Hail
Harviell: 34/100 · St. Louis: 100/100
St. Louis is 66 points higher.
Harviell: Hail risk derived from NOAA SPC historical reports.
St. Louis: Hail risk derived from NOAA SPC historical reports.
Storm surge
Harviell: Unavailable · St. Louis: Unavailable
A score difference cannot be calculated without both sources.
Harviell: Storm surge model is not available for this location yet.
St. Louis: Storm surge model is not available for this location yet.
Wildfire
Harviell: 46/100 · St. Louis: 38/100
Harviell is 8 points higher.
Harviell: Wildfire exposure derived from ingested fire potential tiles.
St. Louis: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Harviell: 26/100 · St. Louis: 27/100
St. Louis is 1 points higher.
Harviell: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
St. Louis: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.