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Natural hazards · Lyonsdale

Lyonsdale, NY natural hazards

Most of the natural-hazard damage FEMA expects in Lyonsdale comes from inland flooding, and overall the risk is moderate 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 Lyonsdale?

52
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Lyonsdale to be higher than in 52% of U.S. communities, mostly from inland flooding.

Inland flooding81%Everything else19%
By hazard

What Lyonsdale faces

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

Inland flooding

81% of expected damage
Well above average · higher than 76% of U.S. places
Recorded about once a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 Lyonsdale flood?

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

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

7 federal disasters brought FEMA money here

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

Brought FEMA money into LyonsdaleDeclared for Lewis County only
2021

Remnants of Tropical Storm Fred

$32K to the Town of Lyonsdale for repairs
2014

Severe Winter Storm, Snowstorm, and Flooding

$4K to the Town of Lyonsdale for repairs
2014

Severe Storms and Flooding

$8K to the Town of Lyonsdale for repairs
2011

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

$14K to the Town of Lyonsdale for repairs
2007

Record Snow and Near Record Snow

$7K to the Town of Lyonsdale for repairs
2004

Snow

$8K to the Town of Lyonsdale for repairs
1999

Snow

$5K to the Town of Lyonsdale for repairs
Lewis County has had 23 natural disasters declared since 1953, most often winter storms and severe storms.
Around Lyonsdale

Lyonsdale and the towns around it

Leyden: Low, mostly inland floodingWest Turin: Low, mostly inland floodingGreig: Moderate, mostly inland floodingLyons Falls: Low, mostly inland floodingTurin: Low, mostly inland floodingBoonville: Very low, mostly inland floodingForestport: Moderate, mostly inland floodingLewis: Low, mostly inland floodingOsceola: Low, mostly inland floodingMartinsburg: Low, mostly inland floodingTurin: Low, mostly inland floodingWatson: High, mostly inland floodingWebb: Moderate, mostly inland floodingAva: Low, mostly inland floodingSteuben: Low, mostly inland floodingRemsen: Low, mostly inland floodingWestern: Low, mostly inland floodingOhio: Moderate, mostly inland floodingLyonsdale: Moderate, mostly inland flooding LyonsdaleLeydenWest TurinGreigLyons FallsTurinBoonvilleForestport
Very lowLowModerateHighVery high
Lyonsdalemostly inland floodingModerate
Forestportmostly inland floodingModerate
Greigmostly inland floodingModerate
Turinmostly inland floodingLow
Leydenmostly inland floodingLow
West Turinmostly inland floodingLow
Lyons Fallsmostly inland floodingLow
Boonvillemostly 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. Lyonsdale covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Lyonsdale’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Lyonsdale. 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 Lyonsdale total about $413K 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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