City vs city
Marionville vs Saint Louis, MO
Marionville currently scores 11 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
Marionville: 47/100 · Saint Louis: 36/100
Marionville is 11 points higher.
Flood
Marionville: 39/100 · Saint Louis: 7/100
Marionville is 32 points higher.
Marionville: FEMA NFHL flood zones: 5 features intersect this tile.
Saint Louis: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Marionville: 16/100 · Saint Louis: 16/100
No gap.
Marionville: Wind exposure derived from ingested design wind / climatology tiles.
Saint Louis: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Marionville: 67/100 · Saint Louis: 37/100
Marionville is 30 points higher.
Marionville: Lightning exposure derived from ingested climatology tiles.
Saint Louis: Lightning exposure derived from ingested climatology tiles.
Tornado
Marionville: 0/100 · Saint Louis: 35/100
Saint Louis is 35 points higher.
Marionville: Tornado risk derived from NOAA SPC historical reports.
Saint Louis: Tornado risk derived from NOAA SPC historical reports.
Hail
Marionville: 92/100 · Saint Louis: 100/100
Saint Louis is 8 points higher.
Marionville: Hail risk derived from NOAA SPC historical reports.
Saint Louis: Hail risk derived from NOAA SPC historical reports.
Storm surge
Marionville: Unavailable · Saint Louis: Unavailable
A score difference cannot be calculated without both sources.
Marionville: Storm surge model is not available for this location yet.
Saint Louis: Storm surge model is not available for this location yet.
Wildfire
Marionville: 50/100 · Saint Louis: 29/100
Marionville is 21 points higher.
Marionville: Wildfire exposure derived from ingested fire potential tiles.
Saint Louis: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Marionville: 19/100 · Saint Louis: 28/100
Saint Louis is 9 points higher.
Marionville: 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.