City vs city
Grand Junction vs Jefferson, IA
Jefferson currently scores 1 points higher overall than Grand Junction, 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 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 Junction: 38/100 · Jefferson: 39/100
Jefferson is 1 points higher.
Flood
Grand Junction: 46/100 · Jefferson: 50/100
Jefferson is 4 points higher.
Grand Junction: FEMA NFHL flood zones: 5 features intersect this tile.
Jefferson: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Grand Junction: 18/100 · Jefferson: 19/100
Jefferson is 1 points higher.
Grand Junction: Wind exposure derived from ingested design wind / climatology tiles.
Jefferson: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Grand Junction: 72/100 · Jefferson: 70/100
Grand Junction is 2 points higher.
Grand Junction: Lightning exposure derived from ingested climatology tiles.
Jefferson: Lightning exposure derived from ingested climatology tiles.
Tornado
Grand Junction: 23/100 · Jefferson: 4/100
Grand Junction is 19 points higher.
Grand Junction: Tornado risk derived from NOAA SPC historical reports.
Jefferson: Tornado risk derived from NOAA SPC historical reports.
Hail
Grand Junction: 48/100 · Jefferson: 77/100
Jefferson is 29 points higher.
Grand Junction: Hail risk derived from NOAA SPC historical reports.
Jefferson: Hail risk derived from NOAA SPC historical reports.
Storm surge
Grand Junction: Unavailable · Jefferson: Unavailable
A score difference cannot be calculated without both sources.
Grand Junction: Storm surge model is not available for this location yet.
Jefferson: Storm surge model is not available for this location yet.
Wildfire
Grand Junction: 29/100 · Jefferson: 29/100
No gap.
Grand Junction: Wildfire exposure derived from ingested fire potential tiles.
Jefferson: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Grand Junction: 27/100 · Jefferson: 26/100
Grand Junction is 1 points higher.
Grand Junction: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Jefferson: Air quality signal derived from the latest EPA AirNow combined AQI grid.