City vs city
Holtville vs Millbrook, AL
Millbrook currently scores 2 points higher overall than Holtville, with the largest gap in wildfire.
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 uses an ingested EPA AirNow snapshot and may not reflect current conditions; 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
Holtville: 34/100 · Millbrook: 36/100
Millbrook is 2 points higher.
Flood
Holtville: 39/100 · Millbrook: 40/100
Millbrook is 1 points higher.
Holtville: FEMA NFHL flood zones: 8 features intersect this tile.
Millbrook: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Holtville: 19/100 · Millbrook: 20/100
Millbrook is 1 points higher.
Holtville: Wind exposure derived from ingested design wind / climatology tiles.
Millbrook: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Holtville: 67/100 · Millbrook: 69/100
Millbrook is 2 points higher.
Holtville: Lightning exposure derived from ingested climatology tiles.
Millbrook: Lightning exposure derived from ingested climatology tiles.
Tornado
Holtville: 27/100 · Millbrook: 19/100
Holtville is 8 points higher.
Holtville: Tornado risk derived from NOAA SPC historical reports.
Millbrook: Tornado risk derived from NOAA SPC historical reports.
Hail
Holtville: 40/100 · Millbrook: 29/100
Holtville is 11 points higher.
Holtville: Hail risk derived from NOAA SPC historical reports.
Millbrook: Hail risk derived from NOAA SPC historical reports.
Storm surge
Holtville: Unavailable · Millbrook: Unavailable
A score difference cannot be calculated without both sources.
Holtville: Storm surge model is not available for this location yet.
Millbrook: Storm surge model is not available for this location yet.
Wildfire
Holtville: 20/100 · Millbrook: 49/100
Millbrook is 29 points higher.
Holtville: Wildfire exposure derived from ingested fire potential tiles.
Millbrook: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Holtville: 28/100 · Millbrook: 28/100
No gap.
Holtville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Millbrook: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.