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Natural hazards · Alliance

Alliance, MN natural hazards

Most of the natural-hazard damage FEMA expects in Alliance comes from inland flooding, and overall the risk is very high for a U.S. community. 7 federal disasters brought FEMA money into town.

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

How exposed is Alliance?

84
Very high
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Alliance to be higher than in 84% of U.S. communities, mostly from inland flooding.

Inland flooding72%Cold waves15%Everything else14%
By hazard

What Alliance faces

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

Inland flooding

72% of expected damage
Well above average · higher than 95% of U.S. places
Recorded about 2 times a year in the area

Cold waves

15% of expected damage
Above average · higher than 73% of U.S. places
Recorded about 18 times a year in the area

Lower here

TornadoesHailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightningDrought

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 Alliance flood?

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

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

7 federal disasters brought FEMA money here

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

Brought FEMA money into AllianceDeclared for Clay County only
2023

Severe Storms and Flooding

$28K to the Township of Alliance for repairs
2019

Severe Winter Storm, Straight-Line Winds, and Flooding

$6K to the Township of Alliance for repairs
2011

Severe Storms and Flooding

$6K to the Township of Alliance for repairs
2010

Flooding

$7K to the Township of Alliance for repairs
2009

Severe Storms and Flooding

$24K to the Township of Alliance for repairs
2006

Flooding

$3K to the Township of Alliance for repairs
2001

Severe Winter Storms, Flooding, and Tornadoes

$950 to the Township of Alliance for repairs
Clay County has had 25 natural disasters declared since 1953, most often floods and severe storms.
Around Alliance

Alliance and the towns around it

Holy Cross: Very high, mostly inland floodingBarnesville: Very high, mostly inland floodingElmwood: High, mostly inland floodingPleasant: High, mostly inland floodingOxbow: High, mostly inland floodingEagle: Moderate, mostly inland floodingKurtz: Very high, mostly inland floodingWolverton: High, mostly inland floodingStanley: Moderate, mostly inland floodingBarnesville: Very high, mostly inland floodingAtherton: High, mostly inland floodingHumboldt: Very high, mostly inland floodingElkton: Very high, mostly inland floodingGlyndon: High, mostly inland floodingAlliance: Very high, mostly inland flooding AllianceHoly CrossBarnesvilleElmwood
Very lowLowModerateHighVery high
Alliancemostly inland floodingVery high
Holy Crossmostly inland floodingVery high
Barnesvillemostly inland floodingVery high
Elmwoodmostly 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. Alliance 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 Alliance’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Alliance. 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/15 · 2025-01-01
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