City vs city
Houston vs Portland, TX
Houston currently scores 5 points higher overall than Portland, 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 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
Houston: 48/100 · Portland: 43/100
Houston is 5 points higher.
Flood
Houston: 40/100 · Portland: 45/100
Portland is 5 points higher.
Houston: FEMA NFHL flood zones: 20 features intersect this tile.
Portland: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Houston: 42/100 · Portland: 49/100
Portland is 7 points higher.
Houston: Wind exposure derived from ingested design wind / climatology tiles.
Portland: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Houston: 71/100 · Portland: 42/100
Houston is 29 points higher.
Houston: Lightning exposure derived from ingested climatology tiles.
Portland: Lightning exposure derived from ingested climatology tiles.
Tornado
Houston: 50/100 · Portland: 42/100
Houston is 8 points higher.
Houston: Tornado risk derived from NOAA SPC historical reports.
Portland: Tornado risk derived from NOAA SPC historical reports.
Hail
Houston: 58/100 · Portland: 34/100
Houston is 24 points higher.
Houston: Hail risk derived from NOAA SPC historical reports.
Portland: Hail risk derived from NOAA SPC historical reports.
Storm surge
Houston: Unavailable · Portland: 99/100
A score difference cannot be calculated without both sources.
Houston: Storm surge model is not available for this location yet.
Portland: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Houston: 51/100 · Portland: 7/100
Houston is 44 points higher.
Houston: Wildfire exposure derived from ingested fire potential tiles.
Portland: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Houston: 27/100 · Portland: 24/100
Houston is 3 points higher.
Houston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Portland: Air quality signal derived from the latest EPA AirNow combined AQI grid.