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Natural hazards · Harrison

Harrison, IN natural hazards

Most of the natural-hazard damage FEMA expects in Harrison comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 2 claims here since 1979.

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

How exposed is Harrison?

17
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Harrison to be higher than in 17% of U.S. communities, mostly from inland flooding.

Inland flooding48%Cold waves11%Earthquakes10%Tornadoes7%Hail6%Strong wind6%Everything else12%
By hazard

What Harrison faces

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

Inland flooding

48% of expected damage
Below average · higher than 25% of U.S. places
Recorded about once a year in the area

Cold waves

11% of expected damage
Above average · higher than 57% of U.S. places
Recorded about 4 times a year in the area

Earthquakes

10% of expected damage
Above average · higher than 74% of U.S. places

Tornadoes

7% of expected damage
Above average · higher than 54% of U.S. places
Recorded about once every 14 years in the area

Hail

6% of expected damage
Well above average · higher than 85% of U.S. places
Recorded about 4 times a year in the area

Strong wind

6% of expected damage
Above average · higher than 63% of U.S. places
Recorded about 5 times a year in the area

Lower here

HurricanesIce stormsWinter weatherHeat wavesWildfireLandslidesLightning

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 Harrison flood?

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

2paid claims since 1979
$22Kpaid to owners
0homes flooded more than once
19792026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Harrison isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Boone County.
Disasters that hit Harrison

Federal disasters declared here

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

Brought FEMA money into HarrisonDeclared for Boone County only
Boone County has had 15 natural disasters declared since 1953, most often severe storms and winter storms.
Around Harrison

Harrison and the towns around it

Center: Low, mostly inland floodingJackson: Very low, mostly inland floodingMiddle: Moderate, mostly inland floodingZionsville: Low, mostly inland floodingJefferson: Moderate, mostly inland floodingLebanon: High, mostly inland floodingWashington: Moderate, mostly inland floodingClinton: Moderate, mostly inland floodingPerry: Very low, mostly inland floodingWorth: Low, mostly inland floodingMarion: Moderate, mostly inland floodingEel River: Moderate, mostly inland floodingWalnut: Low, mostly inland floodingClark: Low, mostly inland floodingUnion: Moderate, mostly inland floodingBrown: High, mostly inland floodingBrownsburg: Moderate, mostly inland floodingLincoln: Moderate, mostly inland floodingCenter: Moderate, mostly inland floodingWashington: Moderate, mostly inland floodingAvon: Low, mostly inland floodingWhitestown: Low, mostly inland floodingPike: Moderate, mostly inland floodingIndianapolis: no dataClay: Moderate, mostly inland floodingCarmel: Moderate, mostly inland floodingHarrison: Very low, mostly inland flooding HarrisonCenterJacksonMiddleZionsville
Very lowLowModerateHighVery high
Middlemostly inland floodingModerate
Centermostly inland floodingLow
Zionsvillemostly inland floodingLow
Harrisonmostly inland floodingVery low
Jacksonmostly 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. Harrison covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Harrison’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to the Township of Harrison. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Harrison total about $1.8M a year, counting buildings, people and crops.

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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
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