City vs city
Rochester vs St. Charles, MN
Rochester currently scores 5 points higher overall than St. Charles, with the largest gap in hail.
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 is a current EPA AirNow signal; 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
Rochester: 32/100 · St. Charles: 27/100
Rochester is 5 points higher.
Flood
Rochester: 37/100 · St. Charles: 5/100
Rochester is 32 points higher.
Rochester: FEMA NFHL flood zones: 8 features intersect this tile.
St. Charles: FEMA NFHL flood zones: 1 features intersect this tile.
Wind
Rochester: 17/100 · St. Charles: 17/100
No gap.
Rochester: Wind exposure derived from ingested design wind / climatology tiles.
St. Charles: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Rochester: 24/100 · St. Charles: 22/100
Rochester is 2 points higher.
Rochester: Lightning exposure derived from ingested climatology tiles.
St. Charles: Lightning exposure derived from ingested climatology tiles.
Tornado
Rochester: 19/100 · St. Charles: 31/100
St. Charles is 12 points higher.
Rochester: Tornado risk derived from NOAA SPC historical reports.
St. Charles: Tornado risk derived from NOAA SPC historical reports.
Hail
Rochester: 100/100 · St. Charles: 64/100
Rochester is 36 points higher.
Rochester: Hail risk derived from NOAA SPC historical reports.
St. Charles: Hail risk derived from NOAA SPC historical reports.
Storm surge
Rochester: Unavailable · St. Charles: Unavailable
A score difference cannot be calculated without both sources.
Rochester: Storm surge model is not available for this location yet.
St. Charles: Storm surge model is not available for this location yet.
Wildfire
Rochester: 13/100 · St. Charles: 39/100
St. Charles is 26 points higher.
Rochester: Wildfire exposure derived from ingested fire potential tiles.
St. Charles: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Rochester: 14/100 · St. Charles: 14/100
No gap.
Rochester: Air quality signal derived from the latest EPA AirNow combined AQI grid.
St. Charles: Air quality signal derived from the latest EPA AirNow combined AQI grid.