City vs city
Marion vs Porterville, MS
Marion currently scores 9 points higher overall than Porterville, 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
Marion: 43/100 · Porterville: 34/100
Marion is 9 points higher.
Flood
Marion: 36/100 · Porterville: 45/100
Porterville is 9 points higher.
Marion: FEMA NFHL flood zones: 6 features intersect this tile.
Porterville: FEMA NFHL flood zones: 2 features intersect this tile.
Wind
Marion: 21/100 · Porterville: 20/100
Marion is 1 points higher.
Marion: Wind exposure derived from ingested design wind / climatology tiles.
Porterville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Marion: 66/100 · Porterville: 65/100
Marion is 1 points higher.
Marion: Lightning exposure derived from ingested climatology tiles.
Porterville: Lightning exposure derived from ingested climatology tiles.
Tornado
Marion: 42/100 · Porterville: 12/100
Marion is 30 points higher.
Marion: Tornado risk derived from NOAA SPC historical reports.
Porterville: Tornado risk derived from NOAA SPC historical reports.
Hail
Marion: 44/100 · Porterville: 19/100
Marion is 25 points higher.
Marion: Hail risk derived from NOAA SPC historical reports.
Porterville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Marion: Unavailable · Porterville: Unavailable
A score difference cannot be calculated without both sources.
Marion: Storm surge model is not available for this location yet.
Porterville: Storm surge model is not available for this location yet.
Wildfire
Marion: 58/100 · Porterville: 47/100
Marion is 11 points higher.
Marion: Wildfire exposure derived from ingested fire potential tiles.
Porterville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Marion: 31/100 · Porterville: 31/100
No gap.
Marion: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Porterville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.