Natural hazards · Caernarvon

Caernarvon, PA natural hazards

Most of the natural-hazard damage FEMA expects in Caernarvon comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 7 claims here since 1987.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations

Expected damage

How exposed is Caernarvon?

Low

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Caernarvon to be higher than in 21% of U.S. communities, mostly from inland flooding.

Inland flooding58%Hurricanes13%Tornadoes6%Cold waves6%Everything else17%

By hazard

What Caernarvon faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

58% of expected damage

Below average · higher than 32% of U.S. places

Recorded about 5 times a year in the area

Hurricanes

13% of expected damage

Well above average · higher than 82% of U.S. places

Recorded about once every 12 years in the area

Tornadoes

6% of expected damage

Above average · higher than 54% of U.S. places

Cold waves

6% of expected damage

Below average · higher than 26% of U.S. places

Recorded about once a year in the area

Lower here

HailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightningDrought

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic activity

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.

Flood insurance claims

Does Caernarvon flood?

Every paid claim on a federal flood insurance policy in Caernarvon, from FEMA’s records.

7paid claims since 1987

$52Kpaid to owners

1homes flooded more than once

19872026

Biggest named events

Hurricane Irene: 1 claim, $5K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (1) ■ flooded 2+ times

of homes in flood zones
are insured

of all homes
are insured

No community discount. Caernarvon isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Berks County.

Disasters that hit Caernarvon

Federal disasters declared here

None of the disasters declared for Berks County shows FEMA aid or repair money reaching Caernarvon itself in FEMA’s records.

Brought FEMA money into CaernarvonDeclared for Berks County only

Berks County has had 20 natural disasters declared since 1953, most often severe storms and floods.

Around Caernarvon

Caernarvon and the towns around it

Very lowLowModerateHighVery high

Caernarvonmostly inland floodingModerate

Robesonmostly inland floodingLow

Caernarvonmostly inland floodingLow

New Morganmostly inland floodingLow

Brecknockmostly inland floodingLow

Honey Brookmostly inland floodingVery low

West Nantmealmostly inland floodingVery low

About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.

Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Caernarvon is smaller than a census tract, so it shares the figures of the tract around its center.

Money that reached townFlood claims are matched to Caernarvon’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Caernarvon. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.