FEMA rates relative lightning risk for Plymouth County as relatively high and reports FEMA annualized frequency of 16.051 per year for the area.
FEMA summary
FEMA's profile for Plymouth County reports FEMA annualized frequency of 16.051 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 Plymouth County.
Lightning
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
96.5/100
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 Plymouth County. It is not an estimate for a home or address.
City risk summary
For Brockton, FEMA rates lightning risk for Plymouth County as relatively high, with a relative score of 96.5/100. The next highest relative scores are riverine flooding at 94.7/100 and hurricane at 94.0/100.
Using FEMA data for Plymouth County, Brockton is #8 among 13 covered Massachusetts entries for lightning risk. Quincy is about 12 straight-line miles from the Brockton map point; its FEMA figures cover Norfolk County.
For homeowners and movers
Preparedness actions
Living in Brockton? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Brockton. All FEMA figures on this page cover Plymouth County.
The FEMA figures cover Plymouth County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative lightning risk for Plymouth County as relatively high. Its FEMA annualized frequency is 16.051 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 13 Massachusetts cities covered by this directory, Brockton is #8 for relative lightning risk based on FEMA's score for Plymouth County. Homes within Brockton can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for Plymouth County, the highest relative ratings are Lightning (Relatively High), Riverine Flooding (Relatively Moderate), and Hurricane (Relatively Moderate). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover Plymouth County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives Plymouth 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 |
|---|---|---|---|
| Quincy, MA | 12 mi | Relatively High | 94.9 |
| Boston, MA | 17 mi | Relatively High | 93.2 |
| Newton, MA | 20 mi | Relatively High | 98.6 |
| Cambridge, MA | 21 mi | Relatively High | 98.6 |
| Fall River, MA | 26 mi | Relatively Moderate | 76.3 |
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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.