City vs city
Marionville vs Mount Vernon, MO
Marionville currently scores 1 points higher overall than Mount Vernon, 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 · Mount Vernon: 46/100
Marionville is 1 points higher.
Flood
Marionville: 39/100 · Mount Vernon: 49/100
Mount Vernon is 10 points higher.
Marionville: FEMA NFHL flood zones: 5 features intersect this tile.
Mount Vernon: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Marionville: 16/100 · Mount Vernon: 16/100
No gap.
Marionville: Wind exposure derived from ingested design wind / climatology tiles.
Mount Vernon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Marionville: 67/100 · Mount Vernon: 71/100
Mount Vernon is 4 points higher.
Marionville: Lightning exposure derived from ingested climatology tiles.
Mount Vernon: Lightning exposure derived from ingested climatology tiles.
Tornado
Marionville: 0/100 · Mount Vernon: 19/100
Mount Vernon is 19 points higher.
Marionville: Tornado risk derived from NOAA SPC historical reports.
Mount Vernon: Tornado risk derived from NOAA SPC historical reports.
Hail
Marionville: 92/100 · Mount Vernon: 100/100
Mount Vernon is 8 points higher.
Marionville: Hail risk derived from NOAA SPC historical reports.
Mount Vernon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Marionville: Unavailable · Mount Vernon: Unavailable
A score difference cannot be calculated without both sources.
Marionville: Storm surge model is not available for this location yet.
Mount Vernon: Storm surge model is not available for this location yet.
Wildfire
Marionville: 50/100 · Mount Vernon: 45/100
Marionville is 5 points higher.
Marionville: Wildfire exposure derived from ingested fire potential tiles.
Mount Vernon: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Marionville: 19/100 · Mount Vernon: 22/100
Mount Vernon is 3 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.
Mount Vernon: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.