City vs city
Flower Mound vs Lewisville, TX
Lewisville currently scores 7 points higher overall than Flower Mound, 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 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
Flower Mound: 44/100 · Lewisville: 51/100
Lewisville is 7 points higher.
Flood
Flower Mound: 41/100 · Lewisville: 55/100
Lewisville is 14 points higher.
Flower Mound: FEMA NFHL flood zones: 11 features intersect this tile.
Lewisville: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Flower Mound: 14/100 · Lewisville: 14/100
No gap.
Flower Mound: Wind exposure derived from ingested design wind / climatology tiles.
Lewisville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Flower Mound: 58/100 · Lewisville: 59/100
Lewisville is 1 points higher.
Flower Mound: Lightning exposure derived from ingested climatology tiles.
Lewisville: Lightning exposure derived from ingested climatology tiles.
Tornado
Flower Mound: 15/100 · Lewisville: 54/100
Lewisville is 39 points higher.
Flower Mound: Tornado risk derived from NOAA SPC historical reports.
Lewisville: Tornado risk derived from NOAA SPC historical reports.
Hail
Flower Mound: 100/100 · Lewisville: 100/100
No gap.
Flower Mound: Hail risk derived from NOAA SPC historical reports.
Lewisville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Flower Mound: Unavailable · Lewisville: Unavailable
A score difference cannot be calculated without both sources.
Flower Mound: Storm surge model is not available for this location yet.
Lewisville: Storm surge model is not available for this location yet.
Wildfire
Flower Mound: 52/100 · Lewisville: 49/100
Flower Mound is 3 points higher.
Flower Mound: Wildfire exposure derived from ingested fire potential tiles.
Lewisville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Flower Mound: 28/100 · Lewisville: 28/100
No gap.
Flower Mound: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Lewisville: Air quality signal derived from the latest EPA AirNow combined AQI grid.