FEMA rates relative lightning risk for New Haven County as relatively high and reports FEMA annualized frequency of 27.077 per year for the area.
FEMA summary
FEMA's profile for New Haven County reports FEMA annualized frequency of 27.077 per year for lightning. FEMA's relative risk rating for the area is relatively high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for New Haven County.
Lightning
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
96.8/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across New Haven County. It is not an estimate for a home or address.
City risk summary
For Waterbury, FEMA rates lightning risk for New Haven County as relatively high, with a relative score of 96.8/100. The next highest relative scores are hurricane at 96.6/100 and coastal flooding at 94.6/100.
Using FEMA data for New Haven County, Waterbury is tied #1 among 8 covered Connecticut entries for lightning risk; 2 entries share that score. New Haven is about 18 straight-line miles from the Waterbury map point and uses the same FEMA geography.
For homeowners and movers
Preparedness actions
Living in Waterbury? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Waterbury. All FEMA figures on this page cover New Haven County.
The FEMA figures cover New Haven County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative lightning risk for New Haven County as relatively high. Its FEMA annualized frequency is 27.077 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 8 Connecticut cities covered by this directory, Waterbury is Tied #1 for relative lightning risk based on FEMA's score for New Haven County. 2 covered cities share this rank because they use the same FEMA geography. Homes within Waterbury can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for New Haven County, the highest relative ratings are Lightning (Relatively High), Hurricane (Relatively High), and Coastal Flooding (Relatively Moderate). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover New Haven County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives New Haven County an overall relative risk rating of relatively moderate. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Lightning rating | Relative score |
|---|---|---|---|
| New Haven, CT | 18 mi | Relatively High | 96.8 |
| Hartford, CT | 23 mi | Relatively High | 93.8 |
| Danbury, CT | 25 mi | Relatively High | 96.3 |
| Bridgeport, CT | 27 mi | Relatively High | 96.3 |
| Norwalk, CT | 37 mi | Relatively High | 96.3 |
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View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.