City vs city
Frederickson vs South Hill, WA
South Hill currently scores 2 points higher overall than Frederickson, 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
Frederickson: 17/100 · South Hill: 19/100
South Hill is 2 points higher.
Flood
Frederickson: 23/100 · South Hill: 30/100
South Hill is 7 points higher.
Frederickson: FEMA NFHL flood zones: 4 features intersect this tile.
South Hill: FEMA NFHL flood zones: 12 features intersect this tile.
Wind
Frederickson: 7/100 · South Hill: 7/100
No gap.
Frederickson: Wind exposure derived from ingested design wind / climatology tiles.
South Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Frederickson: 2/100 · South Hill: 2/100
No gap.
Frederickson: Lightning exposure derived from ingested climatology tiles.
South Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Frederickson: 8/100 · South Hill: 0/100
Frederickson is 8 points higher.
Frederickson: Tornado risk derived from NOAA SPC historical reports.
South Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Frederickson: 0/100 · South Hill: 0/100
No gap.
Frederickson: Hail risk derived from NOAA SPC historical reports.
South Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Frederickson: Unavailable · South Hill: Unavailable
A score difference cannot be calculated without both sources.
Frederickson: Storm surge model is not available for this location yet.
South Hill: Storm surge model is not available for this location yet.
Wildfire
Frederickson: 54/100 · South Hill: 49/100
Frederickson is 5 points higher.
Frederickson: Wildfire exposure derived from ingested fire potential tiles.
South Hill: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Frederickson: 8/100 · South Hill: 8/100
No gap.
Frederickson: Air quality signal derived from the latest EPA AirNow combined AQI grid.
South Hill: Air quality signal derived from the latest EPA AirNow combined AQI grid.