City vs city
Grand Falls Plaza vs Saint Clair, MO
Grand Falls Plaza currently scores 23 points higher overall than Saint Clair, 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 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
Grand Falls Plaza: 63/100 · Saint Clair: 40/100
Grand Falls Plaza is 23 points higher.
Flood
Grand Falls Plaza: 57/100 · Saint Clair: 51/100
Grand Falls Plaza is 6 points higher.
Grand Falls Plaza: FEMA NFHL flood zones: 14 features intersect this tile.
Saint Clair: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Grand Falls Plaza: 17/100 · Saint Clair: 16/100
Grand Falls Plaza is 1 points higher.
Grand Falls Plaza: Wind exposure derived from ingested design wind / climatology tiles.
Saint Clair: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Falls Plaza: 81/100 · Saint Clair: 52/100
Grand Falls Plaza is 29 points higher.
Grand Falls Plaza: Lightning exposure derived from ingested climatology tiles.
Saint Clair: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Falls Plaza: 100/100 · Saint Clair: 12/100
Grand Falls Plaza is 88 points higher.
Grand Falls Plaza: Tornado risk derived from NOAA SPC historical reports.
Saint Clair: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Falls Plaza: 100/100 · Saint Clair: 84/100
Grand Falls Plaza is 16 points higher.
Grand Falls Plaza: Hail risk derived from NOAA SPC historical reports.
Saint Clair: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Falls Plaza: Unavailable · Saint Clair: Unavailable
A score difference cannot be calculated without both sources.
Grand Falls Plaza: Storm surge model is not available for this location yet.
Saint Clair: Storm surge model is not available for this location yet.
Wildfire
Grand Falls Plaza: 53/100 · Saint Clair: 41/100
Grand Falls Plaza is 12 points higher.
Grand Falls Plaza: Wildfire exposure derived from ingested fire potential tiles.
Saint Clair: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Grand Falls Plaza: 31/100 · Saint Clair: 27/100
Grand Falls Plaza is 4 points higher.
Grand Falls Plaza: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Saint Clair: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.