City vs city
Grand Falls Plaza vs Saint Louis, MO
Grand Falls Plaza currently scores 27 points higher overall than Saint Louis, 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 Louis: 36/100
Grand Falls Plaza is 27 points higher.
Flood
Grand Falls Plaza: 57/100 · Saint Louis: 7/100
Grand Falls Plaza is 50 points higher.
Grand Falls Plaza: FEMA NFHL flood zones: 14 features intersect this tile.
Saint Louis: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Grand Falls Plaza: 17/100 · Saint Louis: 16/100
Grand Falls Plaza is 1 points higher.
Grand Falls Plaza: Wind exposure derived from ingested design wind / climatology tiles.
Saint Louis: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Falls Plaza: 81/100 · Saint Louis: 37/100
Grand Falls Plaza is 44 points higher.
Grand Falls Plaza: Lightning exposure derived from ingested climatology tiles.
Saint Louis: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Falls Plaza: 100/100 · Saint Louis: 35/100
Grand Falls Plaza is 65 points higher.
Grand Falls Plaza: Tornado risk derived from NOAA SPC historical reports.
Saint Louis: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Falls Plaza: 100/100 · Saint Louis: 100/100
No gap.
Grand Falls Plaza: Hail risk derived from NOAA SPC historical reports.
Saint Louis: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Falls Plaza: Unavailable · Saint Louis: Unavailable
A score difference cannot be calculated without both sources.
Grand Falls Plaza: Storm surge model is not available for this location yet.
Saint Louis: Storm surge model is not available for this location yet.
Wildfire
Grand Falls Plaza: 53/100 · Saint Louis: 29/100
Grand Falls Plaza is 24 points higher.
Grand Falls Plaza: Wildfire exposure derived from ingested fire potential tiles.
Saint Louis: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Grand Falls Plaza: 31/100 · Saint Louis: 28/100
Grand Falls Plaza is 3 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 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.