City vs city
Lake Mathews vs Perris, CA
Lake Mathews and Perris are tied on overall score, with the biggest factor difference in flood.
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
Lake Mathews: 24/100 · Perris: 24/100
No gap.
Flood
Lake Mathews: 28/100 · Perris: 38/100
Perris is 10 points higher.
Lake Mathews: FEMA NFHL flood zones: 4 features intersect this tile.
Perris: FEMA NFHL flood zones: 10 features intersect this tile.
Wind
Lake Mathews: 5/100 · Perris: 5/100
No gap.
Lake Mathews: Wind exposure derived from ingested design wind / climatology tiles.
Perris: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Lake Mathews: 2/100 · Perris: 2/100
No gap.
Lake Mathews: Lightning exposure derived from ingested climatology tiles.
Perris: Lightning exposure derived from ingested climatology tiles.
Tornado
Lake Mathews: 4/100 · Perris: 12/100
Perris is 8 points higher.
Lake Mathews: Tornado risk derived from NOAA SPC historical reports.
Perris: Tornado risk derived from NOAA SPC historical reports.
Hail
Lake Mathews: 0/100 · Perris: 3/100
Perris is 3 points higher.
Lake Mathews: Hail risk derived from NOAA SPC historical reports.
Perris: Hail risk derived from NOAA SPC historical reports.
Storm surge
Lake Mathews: Unavailable · Perris: Unavailable
A score difference cannot be calculated without both sources.
Lake Mathews: Storm surge model is not available for this location yet.
Perris: Storm surge model is not available for this location yet.
Wildfire
Lake Mathews: 74/100 · Perris: 83/100
Perris is 9 points higher.
Lake Mathews: Wildfire exposure derived from ingested fire potential tiles.
Perris: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Lake Mathews: 31/100 · Perris: 27/100
Lake Mathews is 4 points higher.
Lake Mathews: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Perris: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.