City vs city
Grapevine vs San Antonio, TX
San Antonio currently scores 2 points higher overall than Grapevine, 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
Grapevine: 46/100 · San Antonio: 48/100
San Antonio is 2 points higher.
Flood
Grapevine: 39/100 · San Antonio: 33/100
Grapevine is 6 points higher.
Grapevine: FEMA NFHL flood zones: 11 features intersect this tile.
San Antonio: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Grapevine: 14/100 · San Antonio: 17/100
San Antonio is 3 points higher.
Grapevine: Wind exposure derived from ingested design wind / climatology tiles.
San Antonio: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grapevine: 57/100 · San Antonio: 38/100
Grapevine is 19 points higher.
Grapevine: Lightning exposure derived from ingested climatology tiles.
San Antonio: Lightning exposure derived from ingested climatology tiles.
Tornado
Grapevine: 23/100 · San Antonio: 62/100
San Antonio is 39 points higher.
Grapevine: Tornado risk derived from NOAA SPC historical reports.
San Antonio: Tornado risk derived from NOAA SPC historical reports.
Hail
Grapevine: 100/100 · San Antonio: 100/100
No gap.
Grapevine: Hail risk derived from NOAA SPC historical reports.
San Antonio: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grapevine: Unavailable · San Antonio: Unavailable
A score difference cannot be calculated without both sources.
Grapevine: Storm surge model is not available for this location yet.
San Antonio: Storm surge model is not available for this location yet.
Wildfire
Grapevine: 64/100 · San Antonio: 60/100
Grapevine is 4 points higher.
Grapevine: Wildfire exposure derived from ingested fire potential tiles.
San Antonio: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Grapevine: 28/100 · San Antonio: 28/100
No gap.
Grapevine: Air quality signal derived from the latest EPA AirNow combined AQI grid.
San Antonio: Air quality signal derived from the latest EPA AirNow combined AQI grid.