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Natural hazards · Corwith

Corwith, IA natural hazards

Most of the natural-hazard damage FEMA expects in Corwith comes from drought, and overall the risk is moderate for a U.S. community. 6 federal disasters brought FEMA money into town.

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

How exposed is Corwith?

41
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Corwith to be higher than in 41% of U.S. communities, mostly from drought and inland flooding.

Drought37%Inland flooding24%Cold waves19%Tornadoes11%Everything else10%
By hazard

What Corwith faces

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

Drought

37% of expected damage
Recorded about 14 times a year in the area

Inland flooding

24% of expected damage
Below average · higher than 44% of U.S. places
Recorded about once a year in the area

Cold waves

19% of expected damage
Well above average · higher than 77% of U.S. places
Recorded about 11 times a year in the area

Tornadoes

11% of expected damage
Well above average · among the top 1% of U.S. places
Recorded about once every 5 years in the area

Lower here

HailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingHurricanesAvalanchesTsunamisVolcanic 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 Corwith flood?

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

of homes in flood zones
are insured
of all homes
are insured
No community discount. Corwith isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Hancock County.
Disasters that hit Corwith

6 federal disasters brought FEMA money here

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

Brought FEMA money into CorwithDeclared for Hancock County only
2024

Severe Storms, Tornadoes, and Flooding

$14K to the City of Corwith for repairs
2018

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

$125K to the City of Corwith for repairs
2014

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

$9K to the City of Corwith for repairs
2008

Severe Storms, Tornadoes, and Flooding

29 households applied for aid $94K aid approved
2007

Snow

$2K to the City of Corwith for repairs
2004

Severe Storms, Tornadoes, and Flooding

29 households applied for aid $51K aid approved $4K to the City of Corwith for repairs
Hancock County has had 13 natural disasters declared since 1953, most often severe storms and floods.
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. Corwith 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 Corwith’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Corwith. 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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01
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