City vs city
Old Jefferson vs Prairieville, LA
Prairieville currently scores 8 points higher overall than Old Jefferson, with the largest gap in hail.
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
Old Jefferson: 45/100 · Prairieville: 53/100
Prairieville is 8 points higher.
Flood
Old Jefferson: 31/100 · Prairieville: 31/100
No gap.
Old Jefferson: FEMA NFHL flood zones: 12 features intersect this tile.
Prairieville: FEMA NFHL flood zones: 14 features intersect this tile.
Wind
Old Jefferson: 34/100 · Prairieville: 34/100
No gap.
Old Jefferson: Wind exposure derived from ingested design wind / climatology tiles.
Prairieville: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Old Jefferson: 96/100 · Prairieville: 97/100
Prairieville is 1 points higher.
Old Jefferson: Lightning exposure derived from ingested climatology tiles.
Prairieville: Lightning exposure derived from ingested climatology tiles.
Tornado
Old Jefferson: 8/100 · Prairieville: 15/100
Prairieville is 7 points higher.
Old Jefferson: Tornado risk derived from NOAA SPC historical reports.
Prairieville: Tornado risk derived from NOAA SPC historical reports.
Hail
Old Jefferson: 35/100 · Prairieville: 84/100
Prairieville is 49 points higher.
Old Jefferson: Hail risk derived from NOAA SPC historical reports.
Prairieville: Hail risk derived from NOAA SPC historical reports.
Storm surge
Old Jefferson: 98/100 · Prairieville: 96/100
Old Jefferson is 2 points higher.
Old Jefferson: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Prairieville: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Old Jefferson: 39/100 · Prairieville: 38/100
Old Jefferson is 1 points higher.
Old Jefferson: Wildfire exposure derived from ingested fire potential tiles.
Prairieville: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Old Jefferson: 21/100 · Prairieville: 30/100
Prairieville is 9 points higher.
Old Jefferson: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Prairieville: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.