City vs city
Norwich vs Old Hill, CT
Norwich currently scores 1 points higher overall than Old Hill, 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
Norwich: 45/100 · Old Hill: 44/100
Norwich is 1 points higher.
Flood
Norwich: 55/100 · Old Hill: 69/100
Old Hill is 14 points higher.
Norwich: FEMA NFHL flood zones: 14 features intersect this tile.
Old Hill: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Norwich: 31/100 · Old Hill: 26/100
Norwich is 5 points higher.
Norwich: Wind exposure derived from ingested design wind / climatology tiles.
Old Hill: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Norwich: 10/100 · Old Hill: 16/100
Old Hill is 6 points higher.
Norwich: Lightning exposure derived from ingested climatology tiles.
Old Hill: Lightning exposure derived from ingested climatology tiles.
Tornado
Norwich: 0/100 · Old Hill: 0/100
No gap.
Norwich: Tornado risk derived from NOAA SPC historical reports.
Old Hill: Tornado risk derived from NOAA SPC historical reports.
Hail
Norwich: 33/100 · Old Hill: 10/100
Norwich is 23 points higher.
Norwich: Hail risk derived from NOAA SPC historical reports.
Old Hill: Hail risk derived from NOAA SPC historical reports.
Storm surge
Norwich: 95/100 · Old Hill: 76/100
Norwich is 19 points higher.
Norwich: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Old Hill: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Norwich: 59/100 · Old Hill: 57/100
Norwich is 2 points higher.
Norwich: Wildfire exposure derived from ingested fire potential tiles.
Old Hill: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Norwich: 32/100 · Old Hill: 51/100
Old Hill is 19 points higher.
Norwich: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Old Hill: Air quality signal derived from the latest EPA AirNow combined AQI grid.