City vs city
Waltham vs Watertown Town, MA
Watertown Town currently scores 6 points higher overall than Waltham, with the largest gap in flood.
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
Waltham: 32/100 · Watertown Town: 38/100
Watertown Town is 6 points higher.
Flood
Waltham: 38/100 · Watertown Town: 30/100
Waltham is 8 points higher.
Waltham: FEMA NFHL flood zones: 9 features intersect this tile.
Watertown Town: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Waltham: 27/100 · Watertown Town: 27/100
No gap.
Waltham: Wind exposure derived from ingested design wind / climatology tiles.
Watertown Town: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Waltham: 9/100 · Watertown Town: 10/100
Watertown Town is 1 points higher.
Waltham: Lightning exposure derived from ingested climatology tiles.
Watertown Town: Lightning exposure derived from ingested climatology tiles.
Tornado
Waltham: 8/100 · Watertown Town: 8/100
No gap.
Waltham: Tornado risk derived from NOAA SPC historical reports.
Watertown Town: Tornado risk derived from NOAA SPC historical reports.
Hail
Waltham: 50/100 · Watertown Town: 58/100
Watertown Town is 8 points higher.
Waltham: Hail risk derived from NOAA SPC historical reports.
Watertown Town: Hail risk derived from NOAA SPC historical reports.
Storm surge
Waltham: Unavailable · Watertown Town: 82/100
A score difference cannot be calculated without both sources.
Waltham: Storm surge model is not available for this location yet.
Watertown Town: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Waltham: 64/100 · Watertown Town: 65/100
Watertown Town is 1 points higher.
Waltham: Wildfire exposure derived from ingested fire potential tiles.
Watertown Town: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Waltham: 26/100 · Watertown Town: 26/100
No gap.
Waltham: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Watertown Town: Air quality signal derived from the latest EPA AirNow combined AQI grid.