City vs city
Grand Rapids vs Portage, MI
Portage currently scores 15 points higher overall than Grand Rapids, 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 is a current EPA AirNow signal; 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
Grand Rapids: 35/100 · Portage: 50/100
Portage is 15 points higher.
Flood
Grand Rapids: 51/100 · Portage: 59/100
Portage is 8 points higher.
Grand Rapids: FEMA NFHL flood zones: 8 features intersect this tile.
Portage: FEMA NFHL flood zones: 7 features intersect this tile.
Wind
Grand Rapids: 15/100 · Portage: 16/100
Portage is 1 points higher.
Grand Rapids: Wind exposure derived from ingested design wind / climatology tiles.
Portage: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Rapids: 20/100 · Portage: 35/100
Portage is 15 points higher.
Grand Rapids: Lightning exposure derived from ingested climatology tiles.
Portage: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Rapids: 8/100 · Portage: 62/100
Portage is 54 points higher.
Grand Rapids: Tornado risk derived from NOAA SPC historical reports.
Portage: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Rapids: 73/100 · Portage: 100/100
Portage is 27 points higher.
Grand Rapids: Hail risk derived from NOAA SPC historical reports.
Portage: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Rapids: Unavailable · Portage: Unavailable
A score difference cannot be calculated without both sources.
Grand Rapids: Storm surge model is not available for this location yet.
Portage: Storm surge model is not available for this location yet.
Wildfire
Grand Rapids: 50/100 · Portage: 45/100
Grand Rapids is 5 points higher.
Grand Rapids: Wildfire exposure derived from ingested fire potential tiles.
Portage: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Grand Rapids: 28/100 · Portage: 30/100
Portage is 2 points higher.
Grand Rapids: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Portage: Air quality signal derived from the latest EPA AirNow combined AQI grid.