City vs city
Ashland vs Gretna, NE
Ashland currently scores 1 points higher overall than Gretna, 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
Ashland: 45/100 · Gretna: 44/100
Ashland is 1 points higher.
Flood
Ashland: 87/100 · Gretna: 44/100
Ashland is 43 points higher.
Ashland: FEMA NFHL flood zones: 18 features intersect this tile.
Gretna: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Ashland: 19/100 · Gretna: 19/100
No gap.
Ashland: Wind exposure derived from ingested design wind / climatology tiles.
Gretna: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ashland: 44/100 · Gretna: 45/100
Gretna is 1 points higher.
Ashland: Lightning exposure derived from ingested climatology tiles.
Gretna: Lightning exposure derived from ingested climatology tiles.
Tornado
Ashland: 8/100 · Gretna: 31/100
Gretna is 23 points higher.
Ashland: Tornado risk derived from NOAA SPC historical reports.
Gretna: Tornado risk derived from NOAA SPC historical reports.
Hail
Ashland: 100/100 · Gretna: 100/100
No gap.
Ashland: Hail risk derived from NOAA SPC historical reports.
Gretna: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ashland: Unavailable · Gretna: Unavailable
A score difference cannot be calculated without both sources.
Ashland: Storm surge model is not available for this location yet.
Gretna: Storm surge model is not available for this location yet.
Wildfire
Ashland: 39/100 · Gretna: 49/100
Gretna is 10 points higher.
Ashland: Wildfire exposure derived from ingested fire potential tiles.
Gretna: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Ashland: 18/100 · Gretna: 19/100
Gretna is 1 points higher.
Ashland: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Gretna: Air quality signal derived from the latest EPA AirNow combined AQI grid.