Natural hazards · Adelphi

Adelphi, OH natural hazards

Most of the natural-hazard damage FEMA expects in Adelphi comes from inland flooding, and overall the risk is very low for a U.S. community.

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

Expected damage

How exposed is Adelphi?

Very low

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Adelphi to be higher than in 16% of U.S. communities, mostly from inland flooding.

Inland flooding59%Tornadoes9%Lightning8%Heat waves8%Everything else17%

By hazard

What Adelphi faces

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

Inland flooding

59% of expected damage

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

Recorded about 2 times a year in the area

Tornadoes

9% of expected damage

Above average · higher than 58% of U.S. places

Recorded about once every 26 years in the area

Lightning

8% of expected damage

Below average · higher than 35% of U.S. places

Heat waves

8% of expected damage

Above average · higher than 67% of U.S. places

Recorded about 5 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherCold wavesWildfireEarthquakesLandslidesStrong windDrought

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 Adelphi flood?

FEMA's records show no paid flood insurance claims in Adelphi.

of homes in flood zones
are insured

of all homes
are insured

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

Insurance rates: Ross County.

Disasters that hit Adelphi

Federal disasters declared here

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

Brought FEMA money into AdelphiDeclared for Ross County only

Ross County has had 14 natural disasters declared since 1953, most often severe storms and floods.

Around Adelphi

Adelphi and the towns around it

Very lowLowModerateHighVery high

Laurelvillemostly inland floodingModerate

Perrymostly inland floodingModerate

Saltcreekmostly inland floodingLow

Adelphimostly inland floodingVery low

Colerainmostly 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. Adelphi 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 Adelphi’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Village of Adelphi. 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.