City vs city
Big Rock vs Richmond, VA
Richmond currently scores 25 points higher overall than Big Rock, 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 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
Big Rock: 29/100 · Richmond: 54/100
Richmond is 25 points higher.
Flood
Big Rock: 22/100 · Richmond: 29/100
Richmond is 7 points higher.
Big Rock: FEMA NFHL flood zones: 2 features intersect this tile.
Richmond: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Big Rock: 15/100 · Richmond: 21/100
Richmond is 6 points higher.
Big Rock: Wind exposure derived from ingested design wind / climatology tiles.
Richmond: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Big Rock: 32/100 · Richmond: 47/100
Richmond is 15 points higher.
Big Rock: Lightning exposure derived from ingested climatology tiles.
Richmond: Lightning exposure derived from ingested climatology tiles.
Tornado
Big Rock: 0/100 · Richmond: 100/100
Richmond is 100 points higher.
Big Rock: Tornado risk derived from NOAA SPC historical reports.
Richmond: Tornado risk derived from NOAA SPC historical reports.
Hail
Big Rock: 7/100 · Richmond: 93/100
Richmond is 86 points higher.
Big Rock: Hail risk derived from NOAA SPC historical reports.
Richmond: Hail risk derived from NOAA SPC historical reports.
Storm surge
Big Rock: Unavailable · Richmond: Unavailable
A score difference cannot be calculated without both sources.
Big Rock: Storm surge model is not available for this location yet.
Richmond: Storm surge model is not available for this location yet.
Wildfire
Big Rock: 65/100 · Richmond: 53/100
Big Rock is 12 points higher.
Big Rock: Wildfire exposure derived from ingested fire potential tiles.
Richmond: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Big Rock: 31/100 · Richmond: 33/100
Richmond is 2 points higher.
Big Rock: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Richmond: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.