City vs city
Boulder Flats vs Johnstown, WY
Boulder Flats and Johnstown are tied on overall score, with the biggest factor difference 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 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
Boulder Flats: 31/100 · Johnstown: 31/100
No gap.
Flood
Boulder Flats: 61/100 · Johnstown: 61/100
No gap.
Boulder Flats: FEMA NFHL flood zones: 1 features intersect this tile.
Johnstown: FEMA NFHL flood zones: 1 features intersect this tile.
Wind
Boulder Flats: 15/100 · Johnstown: 15/100
No gap.
Boulder Flats: Wind exposure derived from ingested design wind / climatology tiles.
Johnstown: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Boulder Flats: 8/100 · Johnstown: 8/100
No gap.
Boulder Flats: Lightning exposure derived from ingested climatology tiles.
Johnstown: Lightning exposure derived from ingested climatology tiles.
Tornado
Boulder Flats: 27/100 · Johnstown: 0/100
Boulder Flats is 27 points higher.
Boulder Flats: Tornado risk derived from NOAA SPC historical reports.
Johnstown: Tornado risk derived from NOAA SPC historical reports.
Hail
Boulder Flats: 9/100 · Johnstown: 23/100
Johnstown is 14 points higher.
Boulder Flats: Hail risk derived from NOAA SPC historical reports.
Johnstown: Hail risk derived from NOAA SPC historical reports.
Storm surge
Boulder Flats: Unavailable · Johnstown: Unavailable
A score difference cannot be calculated without both sources.
Boulder Flats: Storm surge model is not available for this location yet.
Johnstown: Storm surge model is not available for this location yet.
Wildfire
Boulder Flats: 71/100 · Johnstown: 54/100
Boulder Flats is 17 points higher.
Boulder Flats: Wildfire exposure derived from ingested fire potential tiles.
Johnstown: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Boulder Flats: 25/100 · Johnstown: 24/100
Boulder Flats is 1 points higher.
Boulder Flats: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Johnstown: Air quality signal derived from the latest EPA AirNow combined AQI grid.