City vs city
Grayson vs Louisa, KY
Grayson currently scores 9 points higher overall than Louisa, 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
Grayson: 42/100 · Louisa: 33/100
Grayson is 9 points higher.
Flood
Grayson: 52/100 · Louisa: 21/100
Grayson is 31 points higher.
Grayson: FEMA NFHL flood zones: 9 features intersect this tile.
Louisa: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Grayson: 15/100 · Louisa: 15/100
No gap.
Grayson: Wind exposure derived from ingested design wind / climatology tiles.
Louisa: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grayson: 43/100 · Louisa: 43/100
No gap.
Grayson: Lightning exposure derived from ingested climatology tiles.
Louisa: Lightning exposure derived from ingested climatology tiles.
Tornado
Grayson: 0/100 · Louisa: 23/100
Louisa is 23 points higher.
Grayson: Tornado risk derived from NOAA SPC historical reports.
Louisa: Tornado risk derived from NOAA SPC historical reports.
Hail
Grayson: 65/100 · Louisa: 47/100
Grayson is 18 points higher.
Grayson: Hail risk derived from NOAA SPC historical reports.
Louisa: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grayson: Unavailable · Louisa: Unavailable
A score difference cannot be calculated without both sources.
Grayson: Storm surge model is not available for this location yet.
Louisa: Storm surge model is not available for this location yet.
Wildfire
Grayson: 45/100 · Louisa: 48/100
Louisa is 3 points higher.
Grayson: Wildfire exposure derived from ingested fire potential tiles.
Louisa: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Grayson: 34/100 · Louisa: 36/100
Louisa is 2 points higher.
Grayson: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Louisa: Air quality signal derived from the latest EPA AirNow combined AQI grid.