Natural hazards · Triadelphia

Triadelphia, WV natural hazards

Most of the natural-hazard damage FEMA expects in Triadelphia comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 89 claims here since 1978. 5 federal disasters brought FEMA money into town.

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

Expected damage

How exposed is Triadelphia?

High

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Triadelphia to be higher than in 72% of U.S. communities, mostly from inland flooding.

Inland flooding91%Everything else9%

By hazard

What Triadelphia faces

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

Inland flooding

91% of expected damage

Well above average · higher than 90% of U.S. places

Recorded about once a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat 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 Triadelphia flood?

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

89paid claims since 1978

$1.8Mpaid to owners

8homes flooded more than once

19782026

Biggest named events

Tropical Storm Ivan: 37 claims, $497K

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. Triadelphia isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Ohio County.

What’s been done with FEMA grants

4flood-prone properties bought out and cleared

Disasters that hit Triadelphia

5 federal disasters brought FEMA money here

Disasters the President declared that paid out in Triadelphia itself: aid to households, or repair grants to the Town of Triadelphia.

Brought FEMA money into TriadelphiaDeclared for Ohio County only

2025

Severe Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides

293 households applied for aid $5.2M aid approved $390K to the Town of Triadelphia for repairs

2024

Severe Storms, Flooding, Landslides, and Mudslides

2 households applied for aid

2024

Severe Storms, Straight-Line Winds, Tornadoes, Flooding, Landslides, and Mudslides

6 households applied for aid $16K aid approved

2004

Severe Storms, Flooding, and Landslides

239 households applied for aid $856K aid approved $307K to the Town of Triadelphia for repairs

2003

Severe Winter Storm, Record/Near Record Snow, Heavy Rains, Flooding and Landslides

$2K to the Town of Triadelphia for repairs

Ohio County has had 21 natural disasters declared since 1953, most often floods and severe storms.

Around Triadelphia

Triadelphia and the towns around it

Very lowLowModerateHighVery high

Wheelingmostly inland floodingVery high

Triadelphiamostly inland floodingHigh

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. Triadelphia 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 Triadelphia’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Triadelphia. 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.