City vs city
Greenbrier vs Millersville, TN
Millersville currently scores 8 points higher overall than Greenbrier, 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
Greenbrier: 30/100 · Millersville: 38/100
Millersville is 8 points higher.
Flood
Greenbrier: 31/100 · Millersville: 28/100
Greenbrier is 3 points higher.
Greenbrier: FEMA NFHL flood zones: 7 features intersect this tile.
Millersville: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Greenbrier: 14/100 · Millersville: 14/100
No gap.
Greenbrier: Wind exposure derived from ingested design wind / climatology tiles.
Millersville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Greenbrier: 53/100 · Millersville: 51/100
Greenbrier is 2 points higher.
Greenbrier: Lightning exposure derived from ingested climatology tiles.
Millersville: Lightning exposure derived from ingested climatology tiles.
Tornado
Greenbrier: 4/100 · Millersville: 46/100
Millersville is 42 points higher.
Greenbrier: Tornado risk derived from NOAA SPC historical reports.
Millersville: Tornado risk derived from NOAA SPC historical reports.
Hail
Greenbrier: 55/100 · Millersville: 73/100
Millersville is 18 points higher.
Greenbrier: Hail risk derived from NOAA SPC historical reports.
Millersville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Greenbrier: Unavailable · Millersville: Unavailable
A score difference cannot be calculated without both sources.
Greenbrier: Storm surge model is not available for this location yet.
Millersville: Storm surge model is not available for this location yet.
Wildfire
Greenbrier: 19/100 · Millersville: 17/100
Greenbrier is 2 points higher.
Greenbrier: Wildfire exposure derived from ingested fire potential tiles.
Millersville: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Greenbrier: 36/100 · Millersville: 36/100
No gap.
Greenbrier: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Millersville: Air quality signal derived from the latest EPA AirNow combined AQI grid.