City vs city
Portsmouth vs Smithfield, VA
Portsmouth currently scores 8 points higher overall than Smithfield, with the largest gap in hail.
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
Portsmouth: 42/100 · Smithfield: 34/100
Portsmouth is 8 points higher.
Flood
Portsmouth: 44/100 · Smithfield: 26/100
Portsmouth is 18 points higher.
Portsmouth: FEMA NFHL flood zones: 27 features intersect this tile.
Smithfield: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Portsmouth: 26/100 · Smithfield: 24/100
Portsmouth is 2 points higher.
Portsmouth: Wind exposure derived from ingested design wind / climatology tiles.
Smithfield: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Portsmouth: 45/100 · Smithfield: 48/100
Smithfield is 3 points higher.
Portsmouth: Lightning exposure derived from ingested climatology tiles.
Smithfield: Lightning exposure derived from ingested climatology tiles.
Tornado
Portsmouth: 19/100 · Smithfield: 27/100
Smithfield is 8 points higher.
Portsmouth: Tornado risk derived from NOAA SPC historical reports.
Smithfield: Tornado risk derived from NOAA SPC historical reports.
Hail
Portsmouth: 76/100 · Smithfield: 25/100
Portsmouth is 51 points higher.
Portsmouth: Hail risk derived from NOAA SPC historical reports.
Smithfield: Hail risk derived from NOAA SPC historical reports.
Storm surge
Portsmouth: 91/100 · Smithfield: 50/100
Portsmouth is 41 points higher.
Portsmouth: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Smithfield: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Portsmouth: 10/100 · Smithfield: 42/100
Smithfield is 32 points higher.
Portsmouth: Wildfire exposure derived from ingested fire potential tiles.
Smithfield: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Portsmouth: 25/100 · Smithfield: 27/100
Smithfield is 2 points higher.
Portsmouth: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Smithfield: Air quality signal derived from the latest EPA AirNow combined AQI grid.