City vs city
Baton Rouge vs Grand Isle, LA
Baton Rouge currently scores 11 points higher overall than Grand Isle, 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
Baton Rouge: 47/100 · Grand Isle: 36/100
Baton Rouge is 11 points higher.
Flood
Baton Rouge: 25/100 · Grand Isle: 25/100
No gap.
Baton Rouge: FEMA NFHL flood zones: 16 features intersect this tile.
Grand Isle: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Baton Rouge: 32/100 · Grand Isle: 66/100
Grand Isle is 34 points higher.
Baton Rouge: Wind exposure derived from ingested design wind / climatology tiles.
Grand Isle: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Baton Rouge: 98/100 · Grand Isle: 61/100
Baton Rouge is 37 points higher.
Baton Rouge: Lightning exposure derived from ingested climatology tiles.
Grand Isle: Lightning exposure derived from ingested climatology tiles.
Tornado
Baton Rouge: 58/100 · Grand Isle: 12/100
Baton Rouge is 46 points higher.
Baton Rouge: Tornado risk derived from NOAA SPC historical reports.
Grand Isle: Tornado risk derived from NOAA SPC historical reports.
Hail
Baton Rouge: 48/100 · Grand Isle: 7/100
Baton Rouge is 41 points higher.
Baton Rouge: Hail risk derived from NOAA SPC historical reports.
Grand Isle: Hail risk derived from NOAA SPC historical reports.
Storm surge
Baton Rouge: Unavailable · Grand Isle: 94/100
A score difference cannot be calculated without both sources.
Baton Rouge: Storm surge model is not available for this location yet.
Grand Isle: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Baton Rouge: 47/100 · Grand Isle: 3/100
Baton Rouge is 44 points higher.
Baton Rouge: Wildfire exposure derived from ingested fire potential tiles.
Grand Isle: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Baton Rouge: 18/100 · Grand Isle: 22/100
Grand Isle is 4 points higher.
Baton Rouge: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Grand Isle: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.