City vs city
Balch Springs vs Sunnyvale, TX
Sunnyvale currently scores 14 points higher overall than Balch Springs, 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
Balch Springs: 46/100 · Sunnyvale: 60/100
Sunnyvale is 14 points higher.
Flood
Balch Springs: 23/100 · Sunnyvale: 48/100
Sunnyvale is 25 points higher.
Balch Springs: FEMA NFHL flood zones: 7 features intersect this tile.
Sunnyvale: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
Balch Springs: 14/100 · Sunnyvale: 14/100
No gap.
Balch Springs: Wind exposure derived from ingested design wind / climatology tiles.
Sunnyvale: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Balch Springs: 58/100 · Sunnyvale: 59/100
Sunnyvale is 1 points higher.
Balch Springs: Lightning exposure derived from ingested climatology tiles.
Sunnyvale: Lightning exposure derived from ingested climatology tiles.
Tornado
Balch Springs: 42/100 · Sunnyvale: 100/100
Sunnyvale is 58 points higher.
Balch Springs: Tornado risk derived from NOAA SPC historical reports.
Sunnyvale: Tornado risk derived from NOAA SPC historical reports.
Hail
Balch Springs: 100/100 · Sunnyvale: 100/100
No gap.
Balch Springs: Hail risk derived from NOAA SPC historical reports.
Sunnyvale: Hail risk derived from NOAA SPC historical reports.
Storm surge
Balch Springs: Unavailable · Sunnyvale: Unavailable
A score difference cannot be calculated without both sources.
Balch Springs: Storm surge model is not available for this location yet.
Sunnyvale: Storm surge model is not available for this location yet.
Wildfire
Balch Springs: 57/100 · Sunnyvale: 66/100
Sunnyvale is 9 points higher.
Balch Springs: Wildfire exposure derived from ingested fire potential tiles.
Sunnyvale: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Balch Springs: 30/100 · Sunnyvale: 30/100
No gap.
Balch Springs: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Sunnyvale: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.